Subtract 42/56 from 90/2
1st number: 45 0/2, 2nd number: 42/56
90/2 - 42/56 is 177/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
90/2 = 90 × 28/2 × 28 = 2520/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56 - Subtract the two like fractions:
2520/56 - 42/56 = 2520 - 42/56 = 2478/56 - After reducing the fraction, the answer is 177/4
- In mixed form: 441/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-84/56 90/4-42/56 90/6-42/56 90/10-42/56 90/14-42/56