Subtract 25/30 from 28/16
1st number: 1 12/16, 2nd number: 25/30
28/16 - 25/30 is 11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
28/16 = 28 × 15/16 × 15 = 420/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
25/30 = 25 × 8/30 × 8 = 200/240 - Subtract the two like fractions:
420/240 - 200/240 = 420 - 200/240 = 220/240 - After reducing the fraction, the answer is 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16-25/30 28/16-50/30 28/32-25/30 28/16-25/60 84/16-25/30 28/16-75/30 28/48-25/30 28/16-25/90 28/80-25/30