Subtract 45/56 from 14/30
14/30 - 45/56 is -283/840.
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,
14/30 = 14 × 28/30 × 28 = 392/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Subtract the two like fractions:
392/840 - 675/840 = 392 - 675/840 = -283/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30-45/56 14/30-90/56 14/60-45/56 42/30-45/56 14/90-45/56 70/30-45/56 98/30-45/56