Add 80/75 and 50/56, Solve 1 5/75 + 50/56 as a fraction

Add 80/75 and 50/56

1^st number: 1 5/75, 2^nd number: 50/56

80/75 + 50/56 is 823/420.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200

Next, find the equivalent fraction of both fractional numbers with denominator 4200
For the 1st fraction, since 75 × 56 = 4200,
80/75 = 80 × 56/75 × 56 = 4480/4200
Likewise, for the 2nd fraction, since 56 × 75 = 4200,
50/56 = 50 × 75/56 × 75 = 3750/4200
Add the two like fractions:
4480/4200 + 3750/4200 = 4480 + 3750/4200 = 8230/4200
8230/4200 simplified gives 823/420
So, 80/75 + 50/56 = 823/420
In mixed form: 1403/420

MathStep (Works offline)

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