Subtract 3/50 from 84/70
1st number: 1 14/70, 2nd number: 3/50
84/70 - 3/50 is 57/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
84/70 = 84 × 5/70 × 5 = 420/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
3/50 = 3 × 7/50 × 7 = 21/350 - Subtract the two like fractions:
420/350 - 21/350 = 420 - 21/350 = 399/350 - After reducing the fraction, the answer is 57/50
- In mixed form: 17/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70-6/50 84/70-9/50 84/70-15/50 84/70-21/50