Subtract 60/20 from 10/8
1st number: 1 2/8, 2nd number: 3 0/20
10/8 - 60/20 is -7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
10/8 = 10 × 5/8 × 5 = 50/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
60/20 = 60 × 2/20 × 2 = 120/40 - Subtract the two like fractions:
50/40 - 120/40 = 50 - 120/40 = -70/40 - After reducing the fraction, the answer is -7/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8-60/20 10/16-60/20 10/8-60/40 30/8-60/20 10/24-60/20 50/8-60/20 10/40-60/20 70/8-60/20 10/56-60/20