Subtract 36/20 from 15/63
1st number: 15/63, 2nd number: 1 16/20
15/63 - 36/20 is -164/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
15/63 = 15 × 20/63 × 20 = 300/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
36/20 = 36 × 63/20 × 63 = 2268/1260 - Subtract the two like fractions:
300/1260 - 2268/1260 = 300 - 2268/1260 = -1968/1260 - After reducing the fraction, the answer is -164/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63-36/20 15/63-72/20 15/63-36/40 45/63-36/20 15/63-36/60 75/63-36/20