Add 50/84 and 90/35, Solve 50/84 + 2 20/35 as a fraction

Add 50/84 and 90/35

1^st number: 50/84, 2^nd number: 2 20/35

50/84 + 90/35 is 19/6.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
50/84 = 50 × 5/84 × 5 = 250/420
Likewise, for the 2nd fraction, since 35 × 12 = 420,
90/35 = 90 × 12/35 × 12 = 1080/420
Add the two like fractions:
250/420 + 1080/420 = 250 + 1080/420 = 1330/420
1330/420 simplified gives 19/6
So, 50/84 + 90/35 = 19/6
In mixed form: 31/6

MathStep (Works offline)

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