Subtract 25/16 from 21/60
1st number: 21/60, 2nd number: 1 9/16
21/60 - 25/16 is -97/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
21/60 = 21 × 4/60 × 4 = 84/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
25/16 = 25 × 15/16 × 15 = 375/240 - Subtract the two like fractions:
84/240 - 375/240 = 84 - 375/240 = -291/240 - After reducing the fraction, the answer is -97/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60-25/16 21/60-50/16 21/60-25/32 63/60-25/16 21/60-75/16 21/60-25/48 21/60-25/80