Subtract 70/8 from 49/45
1st number: 1 4/45, 2nd number: 8 6/8
49/45 - 70/8 is -1379/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
49/45 = 49 × 8/45 × 8 = 392/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
70/8 = 70 × 45/8 × 45 = 3150/360 - Subtract the two like fractions:
392/360 - 3150/360 = 392 - 3150/360 = -2758/360 - After reducing the fraction, the answer is -1379/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45-70/8 49/90-70/8 49/45-70/16 49/45-70/24 49/45-70/40 49/45-70/56