Subtract 27/8 from 70/36
1st number: 1 34/36, 2nd number: 3 3/8
70/36 - 27/8 is -103/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
70/36 = 70 × 2/36 × 2 = 140/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
27/8 = 27 × 9/8 × 9 = 243/72 - Subtract the two like fractions:
140/72 - 243/72 = 140 - 243/72 = -103/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36-54/8 70/72-27/8 70/36-27/16 70/36-81/8 70/36-27/24 70/36-27/40 70/36-27/56