Add 60/18 and 56/21
1st number: 3 6/18, 2nd number: 2 14/21
60/18 + 56/21 is 6/1.
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,
56/21 = 56 × 6/21 × 6 = 336/126 - Add the two like fractions:
420/126 + 336/126 = 420 + 336/126 = 756/126 - 756/126 simplified gives 6/1
- So, 60/18 + 56/21 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+56/21 60/18+56/42 60/54+56/21 60/18+56/63 60/90+56/21