Add 21/70 and 60/3
1st number: 21/70, 2nd number: 20 0/3
21/70 + 60/3 is 203/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
60/3 = 60 × 70/3 × 70 = 4200/210 - Add the two like fractions:
63/210 + 4200/210 = 63 + 4200/210 = 4263/210 - 4263/210 simplified gives 203/10
- So, 21/70 + 60/3 = 203/10
In mixed form: 203/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70+60/3 21/70+60/6 63/70+60/3 21/70+60/9 21/70+60/15 21/70+60/21