Subtract 63/90 from 4/3
1st number: 1 1/3, 2nd number: 63/90
4/3 - 63/90 is 19/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
4/3 = 4 × 30/3 × 30 = 120/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
63/90 = 63 × 1/90 × 1 = 63/90 - Subtract the two like fractions:
120/90 - 63/90 = 120 - 63/90 = 57/90 - After reducing the fraction, the answer is 19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3-63/90 4/6-63/90 12/3-63/90 4/9-63/90 20/3-63/90 4/15-63/90 28/3-63/90 4/21-63/90