Subtract 49/56 from 75/45
1st number: 1 30/45, 2nd number: 49/56
75/45 - 49/56 is 19/24.
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,
75/45 = 75 × 56/45 × 56 = 4200/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
49/56 = 49 × 45/56 × 45 = 2205/2520 - Subtract the two like fractions:
4200/2520 - 2205/2520 = 4200 - 2205/2520 = 1995/2520 - After reducing the fraction, the answer is 19/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/45-98/56 75/90-49/56