Subtract 90/48 from 2/28
1st number: 2/28, 2nd number: 1 42/48
2/28 - 90/48 is -101/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 28 × 12 = 336,
2/28 = 2 × 12/28 × 12 = 24/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Subtract the two like fractions:
24/336 - 630/336 = 24 - 630/336 = -606/336 - After reducing the fraction, the answer is -101/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28-90/48 2/56-90/48 2/28-90/96 6/28-90/48 2/84-90/48 10/28-90/48 14/28-90/48