Subtract 63/56 from 75/15
1st number: 5 0/15, 2nd number: 1 7/56
75/15 - 63/56 is 31/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
75/15 = 75 × 56/15 × 56 = 4200/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
63/56 = 63 × 15/56 × 15 = 945/840 - Subtract the two like fractions:
4200/840 - 945/840 = 4200 - 945/840 = 3255/840 - After reducing the fraction, the answer is 31/8
- In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30-63/56 75/45-63/56