Subtract 63/70 from 63/32
1st number: 1 31/32, 2nd number: 63/70
63/32 - 63/70 is 171/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
63/32 = 63 × 35/32 × 35 = 2205/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
63/70 = 63 × 16/70 × 16 = 1008/1120 - Subtract the two like fractions:
2205/1120 - 1008/1120 = 2205 - 1008/1120 = 1197/1120 - After reducing the fraction, the answer is 171/160
- In mixed form: 111/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/64-63/70 63/96-63/70