Add 27/28 and 18/32
27/28 + 18/32 is 171/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 28 × 8 = 224,
27/28 = 27 × 8/28 × 8 = 216/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
18/32 = 18 × 7/32 × 7 = 126/224 - Add the two like fractions:
216/224 + 126/224 = 216 + 126/224 = 342/224 - 342/224 simplified gives 171/112
- So, 27/28 + 18/32 = 171/112
In mixed form: 159/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+18/32 27/28+36/32 27/56+18/32 27/28+18/64 81/28+18/32 27/28+54/32 27/84+18/32 27/28+18/96 27/28+90/32