Subtract 10/4 from 72/63
1st number: 1 9/63, 2nd number: 2 2/4
72/63 - 10/4 is -19/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
10/4 = 10 × 63/4 × 63 = 630/252 - Subtract the two like fractions:
288/252 - 630/252 = 288 - 630/252 = -342/252 - After reducing the fraction, the answer is -19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63-20/4 72/63-10/8 72/63-30/4 72/63-10/12 72/63-50/4 72/63-10/20 72/63-70/4 72/63-10/28