Subtract 70/36 from 42/5
1st number: 8 2/5, 2nd number: 1 34/36
42/5 - 70/36 is 581/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 5 × 36 = 180,
42/5 = 42 × 36/5 × 36 = 1512/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
70/36 = 70 × 5/36 × 5 = 350/180 - Subtract the two like fractions:
1512/180 - 350/180 = 1512 - 350/180 = 1162/180 - After reducing the fraction, the answer is 581/90
- In mixed form: 641/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5-70/36 42/10-70/36 42/5-70/72 42/15-70/36 42/25-70/36 42/35-70/36