Subtract 70/7 from 36/9
1st number: 4 0/9, 2nd number: 10 0/7
36/9 - 70/7 is -6/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
36/9 = 36 × 7/9 × 7 = 252/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
70/7 = 70 × 9/7 × 9 = 630/63 - Subtract the two like fractions:
252/63 - 630/63 = 252 - 630/63 = -378/63 - After reducing the fraction, the answer is -6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-70/7 36/18-70/7 36/9-70/14 36/27-70/7 36/9-70/21 36/45-70/7 36/9-70/35 36/63-70/7 36/9-70/49