Subtract 3/60 from 9/40
9/40 - 3/60 is 7/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
3/60 = 3 × 2/60 × 2 = 6/120 - Subtract the two like fractions:
27/120 - 6/120 = 27 - 6/120 = 21/120 - After reducing the fraction, the answer is 7/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40-3/60 9/40-6/60 9/80-3/60 27/40-3/60 9/40-9/60 45/40-3/60 9/40-15/60 63/40-3/60 9/40-21/60