Subtract 54/49 from 80/15
1st number: 5 5/15, 2nd number: 1 5/49
80/15 - 54/49 is 622/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
80/15 = 80 × 49/15 × 49 = 3920/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
54/49 = 54 × 15/49 × 15 = 810/735 - Subtract the two like fractions:
3920/735 - 810/735 = 3920 - 810/735 = 3110/735 - After reducing the fraction, the answer is 622/147
- In mixed form: 434/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-54/49 80/15-54/98 80/45-54/49 80/75-54/49