Subtract 90/63 from 72/3
1st number: 24 0/3, 2nd number: 1 27/63
72/3 - 90/63 is 158/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
72/3 = 72 × 21/3 × 21 = 1512/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Subtract the two like fractions:
1512/63 - 90/63 = 1512 - 90/63 = 1422/63 - After reducing the fraction, the answer is 158/7
- In mixed form: 224/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-90/63 72/9-90/63 72/15-90/63 72/21-90/63