Subtract 48/63 from 3/15
3/15 - 48/63 is -59/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
3/15 = 3 × 21/15 × 21 = 63/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
48/63 = 48 × 5/63 × 5 = 240/315 - Subtract the two like fractions:
63/315 - 240/315 = 63 - 240/315 = -177/315 - After reducing the fraction, the answer is -59/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-48/63 3/15-96/63 3/30-48/63 9/15-48/63 3/45-48/63 3/75-48/63 21/15-48/63