Subtract 2/50 from 70/40
1st number: 1 30/40, 2nd number: 2/50
70/40 - 2/50 is 171/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
70/40 = 70 × 5/40 × 5 = 350/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
2/50 = 2 × 4/50 × 4 = 8/200 - Subtract the two like fractions:
350/200 - 8/200 = 350 - 8/200 = 342/200 - After reducing the fraction, the answer is 171/100
- In mixed form: 171/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-4/50 70/80-2/50 70/40-6/50 70/40-10/50 70/40-14/50