Subtract 8/15 from 63/28
1st number: 2 7/28, 2nd number: 8/15
63/28 - 8/15 is 103/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
63/28 = 63 × 15/28 × 15 = 945/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
8/15 = 8 × 28/15 × 28 = 224/420 - Subtract the two like fractions:
945/420 - 224/420 = 945 - 224/420 = 721/420 - After reducing the fraction, the answer is 103/60
- In mixed form: 143/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28-16/15 63/56-8/15 63/28-8/30 63/28-24/15 63/84-8/15 63/28-8/45 63/28-40/15 63/28-8/75 63/28-56/15