Subtract 10/56 from 18/30
18/30 - 10/56 is 59/140.
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,
18/30 = 18 × 28/30 × 28 = 504/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
10/56 = 10 × 15/56 × 15 = 150/840 - Subtract the two like fractions:
504/840 - 150/840 = 504 - 150/840 = 354/840 - After reducing the fraction, the answer is 59/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30-10/56 18/30-20/56 18/60-10/56 54/30-10/56 18/30-30/56 18/90-10/56 90/30-10/56 18/30-50/56 18/30-70/56