Add 60/6 and 60/21
1st number: 10 0/6, 2nd number: 2 18/21
60/6 + 60/21 is 90/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
60/6 = 60 × 7/6 × 7 = 420/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
60/21 = 60 × 2/21 × 2 = 120/42 - Add the two like fractions:
420/42 + 120/42 = 420 + 120/42 = 540/42 - 540/42 simplified gives 90/7
- So, 60/6 + 60/21 = 90/7
In mixed form: 126/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+60/21 60/6+60/42 60/18+60/21 60/6+60/63 60/30+60/21 60/42+60/21