Subtract 3/63 from 40/60
40/60 - 3/63 is 13/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
40/60 = 40 × 21/60 × 21 = 840/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
3/63 = 3 × 20/63 × 20 = 60/1260 - Subtract the two like fractions:
840/1260 - 60/1260 = 840 - 60/1260 = 780/1260 - After reducing the fraction, the answer is 13/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60-3/63 40/60-6/63 40/60-9/63 40/60-15/63 40/60-21/63