Add 7/84 and 21/32
7/84 + 21/32 is 71/96.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
7/84 = 7 × 8/84 × 8 = 56/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
21/32 = 21 × 21/32 × 21 = 441/672 - Add the two like fractions:
56/672 + 441/672 = 56 + 441/672 = 497/672 - 497/672 simplified gives 71/96
- So, 7/84 + 21/32 = 71/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+21/32 7/84+42/32 7/84+21/64 21/84+21/32 7/84+63/32 7/84+21/96 35/84+21/32 49/84+21/32