Subtract 36/84 from 30/56
30/56 - 36/84 is 3/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
30/56 = 30 × 3/56 × 3 = 90/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
36/84 = 36 × 2/84 × 2 = 72/168 - Subtract the two like fractions:
90/168 - 72/168 = 90 - 72/168 = 18/168 - After reducing the fraction, the answer is 3/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56-36/84 30/56-72/84 90/56-36/84