Add 60/21 and 60/54
1st number: 2 18/21, 2nd number: 1 6/54
60/21 + 60/54 is 250/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
60/21 = 60 × 18/21 × 18 = 1080/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
60/54 = 60 × 7/54 × 7 = 420/378 - Add the two like fractions:
1080/378 + 420/378 = 1080 + 420/378 = 1500/378 - 1500/378 simplified gives 250/63
- So, 60/21 + 60/54 = 250/63
In mixed form: 361/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+60/54 60/63+60/54