Subtract 4/84 from 70/25
1st number: 2 20/25, 2nd number: 4/84
70/25 - 4/84 is 289/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
70/25 = 70 × 84/25 × 84 = 5880/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
4/84 = 4 × 25/84 × 25 = 100/2100 - Subtract the two like fractions:
5880/2100 - 100/2100 = 5880 - 100/2100 = 5780/2100 - After reducing the fraction, the answer is 289/105
- In mixed form: 279/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-8/84 70/50-4/84 70/25-12/84 70/75-4/84 70/25-20/84 70/25-28/84