Subtract 18/50 from 15/7
1st number: 2 1/7, 2nd number: 18/50
15/7 - 18/50 is 312/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
15/7 = 15 × 50/7 × 50 = 750/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
18/50 = 18 × 7/50 × 7 = 126/350 - Subtract the two like fractions:
750/350 - 126/350 = 750 - 126/350 = 624/350 - After reducing the fraction, the answer is 312/175
- In mixed form: 1137/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7-18/50 15/7-36/50 15/14-18/50 45/7-18/50 15/7-54/50 15/21-18/50 75/7-18/50 15/7-90/50 15/35-18/50 15/49-18/50