Subtract 2/90 from 75/63
1st number: 1 12/63, 2nd number: 2/90
75/63 - 2/90 is 368/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
75/63 = 75 × 10/63 × 10 = 750/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630 - Subtract the two like fractions:
750/630 - 14/630 = 750 - 14/630 = 736/630 - After reducing the fraction, the answer is 368/315
- In mixed form: 153/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/63-4/90 75/63-6/90 75/63-10/90 75/63-14/90