Subtract 50/35 from 18/60
1st number: 18/60, 2nd number: 1 15/35
18/60 - 50/35 is -79/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
50/35 = 50 × 12/35 × 12 = 600/420 - Subtract the two like fractions:
126/420 - 600/420 = 126 - 600/420 = -474/420 - After reducing the fraction, the answer is -79/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60-50/35 18/60-50/70 54/60-50/35 90/60-50/35