Subtract 42/63 from 45/2
1st number: 22 1/2, 2nd number: 42/63
45/2 - 42/63 is 131/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
45/2 = 45 × 63/2 × 63 = 2835/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Subtract the two like fractions:
2835/126 - 84/126 = 2835 - 84/126 = 2751/126 - After reducing the fraction, the answer is 131/6
- In mixed form: 215/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-42/63 45/2-84/63 45/4-42/63 45/6-42/63 45/10-42/63 45/14-42/63