Add 1/21 and 60/64
1/21 + 60/64 is 331/336.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 21 × 64 = 1344,
1/21 = 1 × 64/21 × 64 = 64/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
60/64 = 60 × 21/64 × 21 = 1260/1344 - Add the two like fractions:
64/1344 + 1260/1344 = 64 + 1260/1344 = 1324/1344 - 1324/1344 simplified gives 331/336
- So, 1/21 + 60/64 = 331/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+60/64 1/42+60/64 3/21+60/64 1/63+60/64 5/21+60/64 7/21+60/64