Subtract 42/30 from 63/15
1st number: 4 3/15, 2nd number: 1 12/30
63/15 - 42/30 is 14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
63/15 = 63 × 2/15 × 2 = 126/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Subtract the two like fractions:
126/30 - 42/30 = 126 - 42/30 = 84/30 - After reducing the fraction, the answer is 14/5
- In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15-84/30 63/30-42/30 63/15-42/60 63/45-42/30 63/15-42/90 63/75-42/30