Subtract 60/4 from 1/80
1st number: 1/80, 2nd number: 15 0/4
1/80 - 60/4 is -1199/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
60/4 = 60 × 20/4 × 20 = 1200/80 - Subtract the two like fractions:
1/80 - 1200/80 = 1 - 1200/80 = -1199/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80-60/4 1/80-60/8 3/80-60/4 1/80-60/12 5/80-60/4 1/80-60/20 7/80-60/4 1/80-60/28