Subtract 10/8 from 40/60
1st number: 40/60, 2nd number: 1 2/8
40/60 - 10/8 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
40/60 = 40 × 2/60 × 2 = 80/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
10/8 = 10 × 15/8 × 15 = 150/120 - Subtract the two like fractions:
80/120 - 150/120 = 80 - 150/120 = -70/120 - After reducing the fraction, the answer is -7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60-10/8 40/60-20/8 40/60-10/16 40/60-30/8 40/60-10/24 40/60-50/8 40/60-10/40 40/60-70/8 40/60-10/56