Subtract 70/56 from 4/45
1st number: 4/45, 2nd number: 1 14/56
4/45 - 70/56 is -209/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
4/45 = 4 × 56/45 × 56 = 224/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
70/56 = 70 × 45/56 × 45 = 3150/2520 - Subtract the two like fractions:
224/2520 - 3150/2520 = 224 - 3150/2520 = -2926/2520 - After reducing the fraction, the answer is -209/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-70/56 4/90-70/56 12/45-70/56 20/45-70/56 28/45-70/56