Subtract 50/15 from 24/84
1st number: 24/84, 2nd number: 3 5/15
24/84 - 50/15 is -64/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
24/84 = 24 × 5/84 × 5 = 120/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
50/15 = 50 × 28/15 × 28 = 1400/420 - Subtract the two like fractions:
120/420 - 1400/420 = 120 - 1400/420 = -1280/420 - After reducing the fraction, the answer is -64/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/84-50/15 24/84-50/30 72/84-50/15 24/84-50/45 24/84-50/75