Add 3/21 and 9/64
3/21 + 9/64 is 127/448.
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,
3/21 = 3 × 64/21 × 64 = 192/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
9/64 = 9 × 21/64 × 21 = 189/1344 - Add the two like fractions:
192/1344 + 189/1344 = 192 + 189/1344 = 381/1344 - 381/1344 simplified gives 127/448
- So, 3/21 + 9/64 = 127/448
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/21+9/64 3/21+18/64 3/42+9/64 9/21+9/64 3/21+27/64 3/63+9/64 15/21+9/64 3/21+45/64 3/21+63/64