Add 63/3 and 21/70
1st number: 21 0/3, 2nd number: 21/70
63/3 + 21/70 is 213/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
63/3 = 63 × 70/3 × 70 = 4410/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210 - Add the two like fractions:
4410/210 + 63/210 = 4410 + 63/210 = 4473/210 - 4473/210 simplified gives 213/10
- So, 63/3 + 21/70 = 213/10
In mixed form: 213/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3+42/70 63/6+21/70 63/3+63/70 63/9+21/70 63/15+21/70 63/21+21/70