Subtract 45/28 from 30/16
1st number: 1 14/16, 2nd number: 1 17/28
30/16 - 45/28 is 15/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
30/16 = 30 × 7/16 × 7 = 210/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
45/28 = 45 × 4/28 × 4 = 180/112 - Subtract the two like fractions:
210/112 - 180/112 = 210 - 180/112 = 30/112 - After reducing the fraction, the answer is 15/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16-45/28 30/16-90/28 30/32-45/28 30/16-45/56 90/16-45/28 30/48-45/28 30/16-45/84 30/80-45/28