Subtract 2/15 from 63/42
1st number: 1 21/42, 2nd number: 2/15
63/42 - 2/15 is 41/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
63/42 = 63 × 5/42 × 5 = 315/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
2/15 = 2 × 14/15 × 14 = 28/210 - Subtract the two like fractions:
315/210 - 28/210 = 315 - 28/210 = 287/210 - After reducing the fraction, the answer is 41/30
- In mixed form: 111/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42-4/15 63/84-2/15 63/42-2/30 63/42-6/15 63/42-2/45 63/42-10/15 63/42-2/75 63/42-14/15