Subtract 60/16 from 30/15
1st number: 2 0/15, 2nd number: 3 12/16
30/15 - 60/16 is -7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
30/15 = 30 × 16/15 × 16 = 480/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
60/16 = 60 × 15/16 × 15 = 900/240 - Subtract the two like fractions:
480/240 - 900/240 = 480 - 900/240 = -420/240 - After reducing the fraction, the answer is -7/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15-60/16 30/15-60/32 90/15-60/16 30/45-60/16 30/15-60/48 30/75-60/16 30/15-60/80