Subtract 63/80 from 45/6
1st number: 7 3/6, 2nd number: 63/80
45/6 - 63/80 is 537/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
45/6 = 45 × 40/6 × 40 = 1800/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
63/80 = 63 × 3/80 × 3 = 189/240 - Subtract the two like fractions:
1800/240 - 189/240 = 1800 - 189/240 = 1611/240 - After reducing the fraction, the answer is 537/80
- In mixed form: 657/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-63/80 45/12-63/80 45/18-63/80 45/30-63/80 45/42-63/80