Add 21/7 and 8/32
1st number: 3 0/7, 2nd number: 8/32
21/7 + 8/32 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 7 × 32 = 224,
21/7 = 21 × 32/7 × 32 = 672/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
8/32 = 8 × 7/32 × 7 = 56/224 - Add the two like fractions:
672/224 + 56/224 = 672 + 56/224 = 728/224 - 728/224 simplified gives 13/4
- So, 21/7 + 8/32 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7+8/32 21/7+16/32 21/14+8/32 21/7+8/64 63/7+8/32 21/7+24/32 21/7+8/96 21/7+40/32 21/35+8/32 21/7+56/32 21/49+8/32