Add 2/20 and 81/32
1st number: 2/20, 2nd number: 2 17/32
2/20 + 81/32 is 421/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
2/20 = 2 × 8/20 × 8 = 16/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
81/32 = 81 × 5/32 × 5 = 405/160 - Add the two like fractions:
16/160 + 405/160 = 16 + 405/160 = 421/160 - So, 2/20 + 81/32 = 421/160
In mixed form: 2101/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+81/32 2/40+81/32 2/20+81/64 6/20+81/32 2/60+81/32 2/20+81/96 10/20+81/32 14/20+81/32