Subtract 63/8 from 60/70
1st number: 60/70, 2nd number: 7 7/8
60/70 - 63/8 is -393/56.
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,
60/70 = 60 × 4/70 × 4 = 240/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
63/8 = 63 × 35/8 × 35 = 2205/280 - Subtract the two like fractions:
240/280 - 2205/280 = 240 - 2205/280 = -1965/280 - After reducing the fraction, the answer is -393/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70-63/16 60/70-63/24 60/70-63/40 60/70-63/56