Subtract 9/5 from 2/40
1st number: 2/40, 2nd number: 1 4/5
2/40 - 9/5 is -7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
2/40 = 2 × 1/40 × 1 = 2/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
9/5 = 9 × 8/5 × 8 = 72/40 - Subtract the two like fractions:
2/40 - 72/40 = 2 - 72/40 = -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: 4/40-9/5 2/40-18/5 2/80-9/5 2/40-9/10 6/40-9/5 2/40-27/5 2/40-9/15 10/40-9/5 2/40-45/5 2/40-9/25 14/40-9/5 2/40-63/5 2/40-9/35