Subtract 3/63 from 72/4
1st number: 18 0/4, 2nd number: 3/63
72/4 - 3/63 is 377/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
72/4 = 72 × 63/4 × 63 = 4536/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
3/63 = 3 × 4/63 × 4 = 12/252 - Subtract the two like fractions:
4536/252 - 12/252 = 4536 - 12/252 = 4524/252 - After reducing the fraction, the answer is 377/21
- In mixed form: 1720/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4-6/63 72/8-3/63 72/4-9/63 72/12-3/63 72/4-15/63 72/20-3/63 72/4-21/63 72/28-3/63