Subtract 6/56 from 28/30
28/30 - 6/56 is 347/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
28/30 = 28 × 28/30 × 28 = 784/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
6/56 = 6 × 15/56 × 15 = 90/840 - Subtract the two like fractions:
784/840 - 90/840 = 784 - 90/840 = 694/840 - After reducing the fraction, the answer is 347/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30-6/56 28/30-12/56 28/60-6/56 84/30-6/56 28/30-18/56 28/90-6/56 28/30-30/56 28/30-42/56