Add 28/20 and 15/32
1st number: 1 8/20, 2nd number: 15/32
28/20 + 15/32 is 299/160.
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,
28/20 = 28 × 8/20 × 8 = 224/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
15/32 = 15 × 5/32 × 5 = 75/160 - Add the two like fractions:
224/160 + 75/160 = 224 + 75/160 = 299/160 - So, 28/20 + 15/32 = 299/160
In mixed form: 1139/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20+15/32 28/20+30/32 28/40+15/32 28/20+15/64 84/20+15/32 28/20+45/32 28/60+15/32 28/20+15/96 28/20+75/32