Subtract 84/7 from 48/28
1st number: 1 20/28, 2nd number: 12 0/7
48/28 - 84/7 is -72/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
48/28 = 48 × 1/28 × 1 = 48/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
84/7 = 84 × 4/7 × 4 = 336/28 - Subtract the two like fractions:
48/28 - 336/28 = 48 - 336/28 = -288/28 - After reducing the fraction, the answer is -72/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/28-84/7 48/56-84/7 48/28-84/14 48/84-84/7 48/28-84/21 48/28-84/35 48/28-84/49