Subtract 1/28 from 27/35
27/35 - 1/28 is 103/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
27/35 = 27 × 4/35 × 4 = 108/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
1/28 = 1 × 5/28 × 5 = 5/140 - Subtract the two like fractions:
108/140 - 5/140 = 108 - 5/140 = 103/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/35-1/28 27/35-2/28 27/70-1/28 27/35-1/56 81/35-1/28 27/35-3/28 27/35-1/84 27/35-5/28 27/35-7/28