Add 21/64 and 1/8
21/64 + 1/8 is 29/64.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 8 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 64 × 1 = 64,
21/64 = 21 × 1/64 × 1 = 21/64 - Likewise, for the 2nd fraction, since 8 × 8 = 64,
1/8 = 1 × 8/8 × 8 = 8/64 - Add the two like fractions:
21/64 + 8/64 = 21 + 8/64 = 29/64 - So, 21/64 + 1/8 = 29/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/64+1/8 21/64+2/8 21/64+1/16 63/64+1/8 21/64+3/8 21/64+1/24 21/64+5/8 21/64+1/40 21/64+7/8 21/64+1/56