Add 10/70 and 75/84
10/70 + 75/84 is 29/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
10/70 = 10 × 6/70 × 6 = 60/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Add the two like fractions:
60/420 + 375/420 = 60 + 375/420 = 435/420 - 435/420 simplified gives 29/28
- So, 10/70 + 75/84 = 29/28
In mixed form: 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70+75/84 30/70+75/84 50/70+75/84