Subtract 70/8 from 35/84
1st number: 35/84, 2nd number: 8 6/8
35/84 - 70/8 is -25/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
35/84 = 35 × 2/84 × 2 = 70/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
70/8 = 70 × 21/8 × 21 = 1470/168 - Subtract the two like fractions:
70/168 - 1470/168 = 70 - 1470/168 = -1400/168 - After reducing the fraction, the answer is -25/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-70/8 35/84-70/16 35/84-70/24 35/84-70/40 35/84-70/56