Add 60/42 and 6/21
1st number: 1 18/42, 2nd number: 6/21
60/42 + 6/21 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
60/42 = 60 × 1/42 × 1 = 60/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
6/21 = 6 × 2/21 × 2 = 12/42 - Add the two like fractions:
60/42 + 12/42 = 60 + 12/42 = 72/42 - 72/42 simplified gives 12/7
- So, 60/42 + 6/21 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+12/21 60/84+6/21 60/42+6/42 60/42+18/21 60/42+6/63 60/42+30/21 60/42+42/21