Subtract 9/28 from 49/70
49/70 - 9/28 is 53/140.
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,
49/70 = 49 × 2/70 × 2 = 98/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
9/28 = 9 × 5/28 × 5 = 45/140 - Subtract the two like fractions:
98/140 - 45/140 = 98 - 45/140 = 53/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-9/28 49/70-18/28 49/70-9/56 49/70-27/28 49/70-9/84 49/70-45/28 49/70-63/28