Add 60/3 and 8/21
1st number: 20 0/3, 2nd number: 8/21
60/3 + 8/21 is 428/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
60/3 = 60 × 7/3 × 7 = 420/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
8/21 = 8 × 1/21 × 1 = 8/21 - Add the two like fractions:
420/21 + 8/21 = 420 + 8/21 = 428/21 - So, 60/3 + 8/21 = 428/21
In mixed form: 208/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3+16/21 60/6+8/21 60/3+8/42 60/3+24/21 60/9+8/21 60/3+8/63 60/3+40/21 60/15+8/21 60/3+56/21 60/21+8/21