Subtract 63/15 from 40/10
1st number: 4 0/10, 2nd number: 4 3/15
40/10 - 63/15 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
40/10 = 40 × 3/10 × 3 = 120/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
63/15 = 63 × 2/15 × 2 = 126/30 - Subtract the two like fractions:
120/30 - 126/30 = 120 - 126/30 = -6/30 - After reducing the fraction, the answer is -1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-63/15 40/20-63/15 40/10-63/30 40/30-63/15 40/10-63/45 40/50-63/15 40/10-63/75 40/70-63/15