Subtract 15/10 from 35/40
1st number: 35/40, 2nd number: 1 5/10
35/40 - 15/10 is -5/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
35/40 = 35 × 1/40 × 1 = 35/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
15/10 = 15 × 4/10 × 4 = 60/40 - Subtract the two like fractions:
35/40 - 60/40 = 35 - 60/40 = -25/40 - After reducing the fraction, the answer is -5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-15/10 35/40-30/10 35/80-15/10 35/40-15/20 35/40-45/10 35/40-15/30 35/40-75/10 35/40-15/50 35/40-15/70