Add 70/48 and 50/42, Solve 1 22/48 + 1 8/42 as a fraction

Add 70/48 and 50/42

1^st number: 1 22/48, 2^nd number: 1 8/42

70/48 + 50/42 is 445/168.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
70/48 = 70 × 7/48 × 7 = 490/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
50/42 = 50 × 8/42 × 8 = 400/336
Add the two like fractions:
490/336 + 400/336 = 490 + 400/336 = 890/336
890/336 simplified gives 445/168
So, 70/48 + 50/42 = 445/168
In mixed form: 2109/168

MathStep (Works offline)

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