Add 60/21 and 7/18
1st number: 2 18/21, 2nd number: 7/18
60/21 + 7/18 is 409/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 21 × 6 = 126,
60/21 = 60 × 6/21 × 6 = 360/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
7/18 = 7 × 7/18 × 7 = 49/126 - Add the two like fractions:
360/126 + 49/126 = 360 + 49/126 = 409/126 - So, 60/21 + 7/18 = 409/126
In mixed form: 331/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+14/18 60/42+7/18 60/21+7/36 60/21+21/18 60/63+7/18 60/21+7/54 60/21+35/18 60/21+7/90 60/21+49/18