Subtract 9/49 from 72/45
1st number: 1 27/45, 2nd number: 9/49
72/45 - 9/49 is 347/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
72/45 = 72 × 49/45 × 49 = 3528/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
9/49 = 9 × 45/49 × 45 = 405/2205 - Subtract the two like fractions:
3528/2205 - 405/2205 = 3528 - 405/2205 = 3123/2205 - After reducing the fraction, the answer is 347/245
- In mixed form: 1102/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45-18/49 72/90-9/49 72/45-9/98 72/45-27/49 72/45-45/49 72/45-63/49