Subtract 3/84 from 70/10
1st number: 7 0/10, 2nd number: 3/84
70/10 - 3/84 is 195/28.
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,
3/84 = 3 × 5/84 × 5 = 15/420 - Subtract the two like fractions:
2940/420 - 15/420 = 2940 - 15/420 = 2925/420 - After reducing the fraction, the answer is 195/28
- In mixed form: 627/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-6/84 70/20-3/84 70/10-9/84 70/30-3/84 70/10-15/84 70/50-3/84 70/10-21/84