Subtract 2/40 from 15/35
15/35 - 2/40 is 53/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
15/35 = 15 × 8/35 × 8 = 120/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Subtract the two like fractions:
120/280 - 14/280 = 120 - 14/280 = 106/280 - After reducing the fraction, the answer is 53/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35-2/40 15/35-4/40 15/70-2/40 15/35-2/80 45/35-2/40 15/35-6/40 75/35-2/40 15/35-10/40 15/35-14/40