Add 72/48 and 20/32
1st number: 1 24/48, 2nd number: 20/32
72/48 + 20/32 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 32 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 48 × 2 = 96,
72/48 = 72 × 2/48 × 2 = 144/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
20/32 = 20 × 3/32 × 3 = 60/96 - Add the two like fractions:
144/96 + 60/96 = 144 + 60/96 = 204/96 - 204/96 simplified gives 17/8
- So, 72/48 + 20/32 = 17/8
In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/48+40/32 72/96+20/32 72/48+20/64 72/48+60/32 72/48+20/96