Subtract 90/60 from 28/16
1st number: 1 12/16, 2nd number: 1 30/60
28/16 - 90/60 is 1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 60 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 60 × 4 = 240,
90/60 = 90 × 4/60 × 4 = 360/240 - Subtract the two like fractions:
420/240 - 360/240 = 420 - 360/240 = 60/240 - After reducing the fraction, the answer is 1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16-90/60 28/32-90/60 84/16-90/60 28/48-90/60 28/80-90/60