Add 45/32 and 40/28
1st number: 1 13/32, 2nd number: 1 12/28
45/32 + 40/28 is 635/224.
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,
45/32 = 45 × 7/32 × 7 = 315/224 - Likewise, for the 2nd fraction, since 28 × 8 = 224,
40/28 = 40 × 8/28 × 8 = 320/224 - Add the two like fractions:
315/224 + 320/224 = 315 + 320/224 = 635/224 - So, 45/32 + 40/28 = 635/224
In mixed form: 2187/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32+40/28 45/32+80/28 45/64+40/28 45/32+40/56 45/96+40/28 45/32+40/84