Subtract 50/45 from 3/15
1st number: 3/15, 2nd number: 1 5/45
3/15 - 50/45 is -41/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
3/15 = 3 × 3/15 × 3 = 9/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
50/45 = 50 × 1/45 × 1 = 50/45 - Subtract the two like fractions:
9/45 - 50/45 = 9 - 50/45 = -41/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-50/45 3/30-50/45 3/15-50/90 9/15-50/45 3/45-50/45 3/75-50/45 21/15-50/45