Subtract 30/80 from 56/12
1st number: 4 8/12, 2nd number: 30/80
56/12 - 30/80 is 103/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
56/12 = 56 × 20/12 × 20 = 1120/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
30/80 = 30 × 3/80 × 3 = 90/240 - Subtract the two like fractions:
1120/240 - 90/240 = 1120 - 90/240 = 1030/240 - After reducing the fraction, the answer is 103/24
- In mixed form: 47/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-60/80 56/24-30/80 56/12-90/80 56/36-30/80 56/60-30/80 56/84-30/80