Add 60/30 and 21/7
1st number: 2 0/30, 2nd number: 3 0/7
60/30 + 21/7 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
60/30 = 60 × 7/30 × 7 = 420/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
21/7 = 21 × 30/7 × 30 = 630/210 - Add the two like fractions:
420/210 + 630/210 = 420 + 630/210 = 1050/210 - 1050/210 simplified gives 5/1
- So, 60/30 + 21/7 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/30+42/7 60/30+21/14 60/30+63/7 60/90+21/7 60/30+21/35 60/30+21/49