Add 50/6 and 21/70, Solve 8 2/6 + 21/70 as a fraction

Add 50/6 and 21/70

1^st number: 8 2/6, 2^nd number: 21/70

50/6 + 21/70 is 259/30.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 6 × 35 = 210,
50/6 = 50 × 35/6 × 35 = 1750/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210
Add the two like fractions:
1750/210 + 63/210 = 1750 + 63/210 = 1813/210
1813/210 simplified gives 259/30
So, 50/6 + 21/70 = 259/30
In mixed form: 819/30

MathStep (Works offline)

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