Subtract 10/70 from 1/84
1/84 - 10/70 is -11/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
10/70 = 10 × 6/70 × 6 = 60/420 - Subtract the two like fractions:
5/420 - 60/420 = 5 - 60/420 = -55/420 - After reducing the fraction, the answer is -11/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84-10/70 1/84-20/70 3/84-10/70 1/84-30/70 5/84-10/70 1/84-50/70 7/84-10/70