Subtract 18/70 from 40/27
1st number: 1 13/27, 2nd number: 18/70
40/27 - 18/70 is 1157/945.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
40/27 = 40 × 70/27 × 70 = 2800/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
18/70 = 18 × 27/70 × 27 = 486/1890 - Subtract the two like fractions:
2800/1890 - 486/1890 = 2800 - 486/1890 = 2314/1890 - After reducing the fraction, the answer is 1157/945
- In mixed form: 1212/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/27-18/70 40/27-36/70 40/54-18/70 40/27-54/70 40/81-18/70 40/27-90/70