Subtract 16/45 from 42/28
1st number: 1 14/28, 2nd number: 16/45
42/28 - 16/45 is 103/90.
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,
42/28 = 42 × 45/28 × 45 = 1890/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
16/45 = 16 × 28/45 × 28 = 448/1260 - Subtract the two like fractions:
1890/1260 - 448/1260 = 1890 - 448/1260 = 1442/1260 - After reducing the fraction, the answer is 103/90
- In mixed form: 113/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-16/45 42/28-32/45 42/56-16/45 42/28-16/90 42/28-48/45 42/84-16/45 42/28-80/45