Subtract 84/70 from 4/27
1st number: 4/27, 2nd number: 1 14/70
4/27 - 84/70 is -142/135.
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,
4/27 = 4 × 70/27 × 70 = 280/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
84/70 = 84 × 27/70 × 27 = 2268/1890 - Subtract the two like fractions:
280/1890 - 2268/1890 = 280 - 2268/1890 = -1988/1890 - After reducing the fraction, the answer is -142/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/27-84/70 4/54-84/70 12/27-84/70 4/81-84/70 20/27-84/70 28/27-84/70