Subtract 36/8 from 70/84
1st number: 70/84, 2nd number: 4 4/8
70/84 - 36/8 is -11/3.
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,
70/84 = 70 × 2/84 × 2 = 140/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
36/8 = 36 × 21/8 × 21 = 756/168 - Subtract the two like fractions:
140/168 - 756/168 = 140 - 756/168 = -616/168 - After reducing the fraction, the answer is -11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-72/8 70/84-36/16 70/84-36/24 70/84-36/40 70/84-36/56