Subtract 30/56 from 84/70
1st number: 1 14/70, 2nd number: 30/56
84/70 - 30/56 is 93/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
84/70 = 84 × 4/70 × 4 = 336/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
30/56 = 30 × 5/56 × 5 = 150/280 - Subtract the two like fractions:
336/280 - 150/280 = 336 - 150/280 = 186/280 - After reducing the fraction, the answer is 93/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70-60/56 84/70-90/56