Subtract 45/7 from 15/50
1st number: 15/50, 2nd number: 6 3/7
15/50 - 45/7 is -429/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 7 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
15/50 = 15 × 7/50 × 7 = 105/350 - Likewise, for the 2nd fraction, since 7 × 50 = 350,
45/7 = 45 × 50/7 × 50 = 2250/350 - Subtract the two like fractions:
105/350 - 2250/350 = 105 - 2250/350 = -2145/350 - After reducing the fraction, the answer is -429/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50-45/7 15/50-90/7 15/50-45/14 45/50-45/7 15/50-45/21 75/50-45/7 15/50-45/35 15/50-45/49