Subtract 80/18 from 35/84
1st number: 35/84, 2nd number: 4 8/18
35/84 - 80/18 is -145/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
35/84 = 35 × 3/84 × 3 = 105/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
80/18 = 80 × 14/18 × 14 = 1120/252 - Subtract the two like fractions:
105/252 - 1120/252 = 105 - 1120/252 = -1015/252 - After reducing the fraction, the answer is -145/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-80/18 35/84-80/36 35/84-80/54 35/84-80/90