Subtract 75/45 from 84/49
1st number: 1 35/49, 2nd number: 1 30/45
84/49 - 75/45 is 1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
84/49 = 84 × 45/49 × 45 = 3780/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
75/45 = 75 × 49/45 × 49 = 3675/2205 - Subtract the two like fractions:
3780/2205 - 3675/2205 = 3780 - 3675/2205 = 105/2205 - After reducing the fraction, the answer is 1/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98-75/45 84/49-75/90