Subtract 42/60 from 1/72
1/72 - 42/60 is -247/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 60 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Likewise, for the 2nd fraction, since 60 × 6 = 360,
42/60 = 42 × 6/60 × 6 = 252/360 - Subtract the two like fractions:
5/360 - 252/360 = 5 - 252/360 = -247/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72-42/60 1/72-84/60 3/72-42/60 5/72-42/60 7/72-42/60