Subtract 70/8 from 4/9
1st number: 4/9, 2nd number: 8 6/8
4/9 - 70/8 is -299/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
4/9 = 4 × 8/9 × 8 = 32/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
70/8 = 70 × 9/8 × 9 = 630/72 - Subtract the two like fractions:
32/72 - 630/72 = 32 - 630/72 = -598/72 - After reducing the fraction, the answer is -299/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9-70/8 4/18-70/8 4/9-70/16 12/9-70/8 4/27-70/8 4/9-70/24 20/9-70/8 4/45-70/8 4/9-70/40 28/9-70/8 4/63-70/8 4/9-70/56