Subtract 63/84 from 8/5
1st number: 1 3/5, 2nd number: 63/84
8/5 - 63/84 is 17/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
8/5 = 8 × 84/5 × 84 = 672/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
63/84 = 63 × 5/84 × 5 = 315/420 - Subtract the two like fractions:
672/420 - 315/420 = 672 - 315/420 = 357/420 - After reducing the fraction, the answer is 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5-63/84 8/10-63/84 24/5-63/84 8/15-63/84 40/5-63/84 8/25-63/84 56/5-63/84 8/35-63/84