Subtract 54/56 from 2/30
2/30 - 54/56 is -377/420.
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,
2/30 = 2 × 28/30 × 28 = 56/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
54/56 = 54 × 15/56 × 15 = 810/840 - Subtract the two like fractions:
56/840 - 810/840 = 56 - 810/840 = -754/840 - After reducing the fraction, the answer is -377/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-54/56 2/60-54/56 6/30-54/56 2/90-54/56 10/30-54/56 14/30-54/56