Add 21/32 and 6/40
21/32 + 6/40 is 129/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
6/40 = 6 × 4/40 × 4 = 24/160 - Add the two like fractions:
105/160 + 24/160 = 105 + 24/160 = 129/160 - So, 21/32 + 6/40 = 129/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/32+6/40 21/32+12/40 21/64+6/40 21/32+6/80 63/32+6/40 21/32+18/40 21/96+6/40 21/32+30/40 21/32+42/40