Subtract 30/28 from 72/16
1st number: 4 8/16, 2nd number: 1 2/28
72/16 - 30/28 is 24/7.
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,
72/16 = 72 × 7/16 × 7 = 504/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
30/28 = 30 × 4/28 × 4 = 120/112 - Subtract the two like fractions:
504/112 - 120/112 = 504 - 120/112 = 384/112 - After reducing the fraction, the answer is 24/7
- In mixed form: 33/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/16-60/28 72/32-30/28 72/16-30/56 72/16-90/28 72/48-30/28 72/16-30/84 72/80-30/28