Subtract 20/16 from 80/60
1st number: 1 20/60, 2nd number: 1 4/16
80/60 - 20/16 is 1/12.
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,
80/60 = 80 × 4/60 × 4 = 320/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
20/16 = 20 × 15/16 × 15 = 300/240 - Subtract the two like fractions:
320/240 - 300/240 = 320 - 300/240 = 20/240 - After reducing the fraction, the answer is 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60-40/16 80/60-20/32 80/60-60/16 80/60-20/48 80/60-20/80