Subtract 9/70 from 63/28
1st number: 2 7/28, 2nd number: 9/70
63/28 - 9/70 is 297/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
63/28 = 63 × 5/28 × 5 = 315/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
9/70 = 9 × 2/70 × 2 = 18/140 - Subtract the two like fractions:
315/140 - 18/140 = 315 - 18/140 = 297/140 - In mixed form: 217/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28-18/70 63/56-9/70 63/28-27/70 63/84-9/70 63/28-45/70 63/28-63/70