Subtract 2/84 from 45/15
1st number: 3 0/15, 2nd number: 2/84
45/15 - 2/84 is 125/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
45/15 = 45 × 28/15 × 28 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Subtract the two like fractions:
1260/420 - 10/420 = 1260 - 10/420 = 1250/420 - After reducing the fraction, the answer is 125/42
- In mixed form: 241/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15-2/84 45/15-4/84 45/30-2/84 45/15-6/84 45/15-10/84 45/75-2/84 45/15-14/84