Add 60/18 and 6/21
1st number: 3 6/18, 2nd number: 6/21
60/18 + 6/21 is 76/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
60/18 = 60 × 7/18 × 7 = 420/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
6/21 = 6 × 6/21 × 6 = 36/126 - Add the two like fractions:
420/126 + 36/126 = 420 + 36/126 = 456/126 - 456/126 simplified gives 76/21
- So, 60/18 + 6/21 = 76/21
In mixed form: 313/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+12/21 60/36+6/21 60/18+6/42 60/18+18/21 60/54+6/21 60/18+6/63 60/18+30/21 60/90+6/21 60/18+42/21