Subtract 7/90 from 63/2
1st number: 31 1/2, 2nd number: 7/90
63/2 - 7/90 is 1414/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
63/2 = 63 × 45/2 × 45 = 2835/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Subtract the two like fractions:
2835/90 - 7/90 = 2835 - 7/90 = 2828/90 - After reducing the fraction, the answer is 1414/45
- In mixed form: 3119/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2-14/90 63/4-7/90 63/2-21/90 63/6-7/90 63/2-35/90 63/10-7/90 63/2-49/90 63/14-7/90