Add 1/28 and 21/64
1/28 + 21/64 is 163/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 28 × 16 = 448,
1/28 = 1 × 16/28 × 16 = 16/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
21/64 = 21 × 7/64 × 7 = 147/448 - Add the two like fractions:
16/448 + 147/448 = 16 + 147/448 = 163/448 - So, 1/28 + 21/64 = 163/448
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+21/64 1/28+42/64 1/56+21/64 3/28+21/64 1/28+63/64 1/84+21/64 5/28+21/64 7/28+21/64