Subtract 16/45 from 40/12
1st number: 3 4/12, 2nd number: 16/45
40/12 - 16/45 is 134/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
40/12 = 40 × 15/12 × 15 = 600/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
16/45 = 16 × 4/45 × 4 = 64/180 - Subtract the two like fractions:
600/180 - 64/180 = 600 - 64/180 = 536/180 - After reducing the fraction, the answer is 134/45
- In mixed form: 244/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-16/45 40/12-32/45 40/24-16/45 40/12-16/90 40/12-48/45 40/36-16/45 40/12-80/45 40/60-16/45 40/84-16/45