Add 15/32 and 40/28
1st number: 15/32, 2nd number: 1 12/28
15/32 + 40/28 is 425/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 28 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
15/32 = 15 × 7/32 × 7 = 105/224 - Likewise, for the 2nd fraction, since 28 × 8 = 224,
40/28 = 40 × 8/28 × 8 = 320/224 - Add the two like fractions:
105/224 + 320/224 = 105 + 320/224 = 425/224 - So, 15/32 + 40/28 = 425/224
In mixed form: 1201/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/32+40/28 15/32+80/28 15/64+40/28 15/32+40/56 45/32+40/28 15/96+40/28 15/32+40/84 75/32+40/28