Subtract 63/84 from 70/10
1st number: 7 0/10, 2nd number: 63/84
70/10 - 63/84 is 25/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
70/10 = 70 × 42/10 × 42 = 2940/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
63/84 = 63 × 5/84 × 5 = 315/420 - Subtract the two like fractions:
2940/420 - 315/420 = 2940 - 315/420 = 2625/420 - After reducing the fraction, the answer is 25/4
- In mixed form: 61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-63/84 70/30-63/84 70/50-63/84