Subtract 12/45 from 54/28
1st number: 1 26/28, 2nd number: 12/45
54/28 - 12/45 is 349/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
54/28 = 54 × 45/28 × 45 = 2430/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
12/45 = 12 × 28/45 × 28 = 336/1260 - Subtract the two like fractions:
2430/1260 - 336/1260 = 2430 - 336/1260 = 2094/1260 - After reducing the fraction, the answer is 349/210
- In mixed form: 1139/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-24/45 54/56-12/45 54/28-12/90 54/28-36/45 54/84-12/45 54/28-60/45 54/28-84/45