Add 54/21 and 1/60
1st number: 2 12/21, 2nd number: 1/60
54/21 + 1/60 is 1087/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
54/21 = 54 × 20/21 × 20 = 1080/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
1/60 = 1 × 7/60 × 7 = 7/420 - Add the two like fractions:
1080/420 + 7/420 = 1080 + 7/420 = 1087/420 - So, 54/21 + 1/60 = 1087/420
In mixed form: 2247/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+2/60 54/42+1/60 54/21+3/60 54/63+1/60 54/21+5/60 54/21+7/60