Solutions by everydaycalculation.com

45 + 47 is 4835.

- Find the least common denominator or LCM of the two denominators:

LCM of 5 and 7 is**35**

Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,

45 = 4 × 75 × 7 = 2835 - Likewise, for the 2nd fraction, since 7 × 5 = 35,

47 = 4 × 57 × 5 = 2035 - Add the two like fractions:

2835 + 2035 = 28 + 2035 = 4835 - So, 4/5 + 4/7 = 48/35

In mixed form: 11335

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:

Android and iPhone/ iPad

Related: ^{8}/_{5}+^{4}/_{7} ^{4}/_{5}+^{8}/_{7} ^{4}/_{10}+^{4}/_{7} ^{4}/_{5}+^{4}/_{14} ^{12}/_{5}+^{4}/_{7} ^{4}/_{5}+^{12}/_{7} ^{4}/_{15}+^{4}/_{7} ^{4}/_{5}+^{4}/_{21} ^{20}/_{5}+^{4}/_{7} ^{4}/_{5}+^{20}/_{7} ^{4}/_{25}+^{4}/_{7} ^{4}/_{5}+^{4}/_{35} ^{28}/_{5}+^{4}/_{7} ^{4}/_{5}+^{28}/_{7} ^{4}/_{35}+^{4}/_{7} ^{4}/_{5}+^{4}/_{49}

© everydaycalculation.com