Answers

Subtract 90/96 from 90/45

1^st number: 2 0/45, 2^nd number: 90/96

90/45 - 90/96 is 17/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 96 is 1440
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1440
2. For the 1st fraction, since 45 × 32 = 1440,
   90/45 = 90 × 32/45 × 32 = 2880/1440
3. Likewise, for the 2nd fraction, since 96 × 15 = 1440,
   90/96 = 90 × 15/96 × 15 = 1350/1440
4. Subtract the two like fractions:
   2880/1440 - 1350/1440 = 2880 - 1350/1440 = 1530/1440
5. After reducing the fraction, the answer is 17/16
6. In mixed form: 11/16

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

Subtract Fractions Calculator