Subtract 1/90 from 63/5
1st number: 12 3/5, 2nd number: 1/90
63/5 - 1/90 is 1133/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
63/5 = 63 × 18/5 × 18 = 1134/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Subtract the two like fractions:
1134/90 - 1/90 = 1134 - 1/90 = 1133/90 - In mixed form: 1253/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/5-2/90 63/10-1/90 63/5-3/90 63/15-1/90 63/5-5/90 63/25-1/90 63/5-7/90 63/35-1/90