Subtract 63/90 from 84/35
1st number: 2 14/35, 2nd number: 63/90
84/35 - 63/90 is 17/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
84/35 = 84 × 18/35 × 18 = 1512/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Subtract the two like fractions:
1512/630 - 441/630 = 1512 - 441/630 = 1071/630 - After reducing the fraction, the answer is 17/10
- In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70-63/90