Add 40/8 and 25/7, Solve 5 0/8 + 3 4/7 as a fraction

Add 40/8 and 25/7

1^st number: 5 0/8, 2^nd number: 3 4/7

40/8 + 25/7 is 60/7.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 8 × 7 = 56,
40/8 = 40 × 7/8 × 7 = 280/56
Likewise, for the 2nd fraction, since 7 × 8 = 56,
25/7 = 25 × 8/7 × 8 = 200/56
Add the two like fractions:
280/56 + 200/56 = 280 + 200/56 = 480/56
480/56 simplified gives 60/7
So, 40/8 + 25/7 = 60/7
In mixed form: 84/7

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad