Subtract 63/8 from 5/70
1st number: 5/70, 2nd number: 7 7/8
5/70 - 63/8 is -437/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
5/70 = 5 × 4/70 × 4 = 20/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
63/8 = 63 × 35/8 × 35 = 2205/280 - Subtract the two like fractions:
20/280 - 2205/280 = 20 - 2205/280 = -2185/280 - After reducing the fraction, the answer is -437/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70-63/8 5/70-63/16 15/70-63/8 5/70-63/24 25/70-63/8 5/70-63/40 35/70-63/8 5/70-63/56