Add 96/21 and 63/70
1st number: 4 12/21, 2nd number: 63/70
96/21 + 63/70 is 383/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
96/21 = 96 × 10/21 × 10 = 960/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
63/70 = 63 × 3/70 × 3 = 189/210 - Add the two like fractions:
960/210 + 189/210 = 960 + 189/210 = 1149/210 - 1149/210 simplified gives 383/70
- So, 96/21 + 63/70 = 383/70
In mixed form: 533/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42+63/70 96/63+63/70