Subtract 5/28 from 63/70
63/70 - 5/28 is 101/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
63/70 = 63 × 2/70 × 2 = 126/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
5/28 = 5 × 5/28 × 5 = 25/140 - Subtract the two like fractions:
126/140 - 25/140 = 126 - 25/140 = 101/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70-10/28 63/70-5/56 63/70-15/28 63/70-5/84 63/70-25/28 63/70-35/28