Subtract 7/70 from 63/8
1st number: 7 7/8, 2nd number: 7/70
63/8 - 7/70 is 311/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
63/8 = 63 × 35/8 × 35 = 2205/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
7/70 = 7 × 4/70 × 4 = 28/280 - Subtract the two like fractions:
2205/280 - 28/280 = 2205 - 28/280 = 2177/280 - After reducing the fraction, the answer is 311/40
- In mixed form: 731/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-14/70 63/16-7/70 63/8-21/70 63/24-7/70 63/8-35/70 63/40-7/70 63/8-49/70 63/56-7/70