Subtract 3/84 from 70/24
1st number: 2 22/24, 2nd number: 3/84
70/24 - 3/84 is 121/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
70/24 = 70 × 7/24 × 7 = 490/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
3/84 = 3 × 2/84 × 2 = 6/168 - Subtract the two like fractions:
490/168 - 6/168 = 490 - 6/168 = 484/168 - After reducing the fraction, the answer is 121/42
- In mixed form: 237/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-6/84 70/48-3/84 70/24-9/84 70/72-3/84 70/24-15/84 70/24-21/84