Add 60/18 and 35/21
1st number: 3 6/18, 2nd number: 1 14/21
60/18 + 35/21 is 5/1.
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,
35/21 = 35 × 6/21 × 6 = 210/126 - Add the two like fractions:
420/126 + 210/126 = 420 + 210/126 = 630/126 - 630/126 simplified gives 5/1
- So, 60/18 + 35/21 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+70/21 60/36+35/21 60/18+35/42 60/54+35/21 60/18+35/63 60/90+35/21