Add 45/32 and 56/20
1st number: 1 13/32, 2nd number: 2 16/20
45/32 + 56/20 is 673/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
45/32 = 45 × 5/32 × 5 = 225/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
56/20 = 56 × 8/20 × 8 = 448/160 - Add the two like fractions:
225/160 + 448/160 = 225 + 448/160 = 673/160 - So, 45/32 + 56/20 = 673/160
In mixed form: 433/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32+56/20 45/64+56/20 45/32+56/40 45/96+56/20 45/32+56/60