Add 40/32 and 21/10
1st number: 1 8/32, 2nd number: 2 1/10
40/32 + 21/10 is 67/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 10 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
40/32 = 40 × 5/32 × 5 = 200/160 - Likewise, for the 2nd fraction, since 10 × 16 = 160,
21/10 = 21 × 16/10 × 16 = 336/160 - Add the two like fractions:
200/160 + 336/160 = 200 + 336/160 = 536/160 - 536/160 simplified gives 67/20
- So, 40/32 + 21/10 = 67/20
In mixed form: 37/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/32+21/10 40/32+42/10 40/64+21/10 40/32+21/20 40/32+63/10 40/96+21/10 40/32+21/30 40/32+21/50 40/32+21/70