Subtract 49/8 from 70/72
1st number: 70/72, 2nd number: 6 1/8
70/72 - 49/8 is -371/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
49/8 = 49 × 9/8 × 9 = 441/72 - Subtract the two like fractions:
70/72 - 441/72 = 70 - 441/72 = -371/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72-98/8 70/72-49/16 70/72-49/24 70/72-49/40 70/72-49/56