Subtract 54/3 from 70/30
1st number: 2 10/30, 2nd number: 18 0/3
70/30 - 54/3 is -47/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
70/30 = 70 × 1/30 × 1 = 70/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
54/3 = 54 × 10/3 × 10 = 540/30 - Subtract the two like fractions:
70/30 - 540/30 = 70 - 540/30 = -470/30 - After reducing the fraction, the answer is -47/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60-54/3 70/30-54/6 70/90-54/3 70/30-54/9 70/30-54/15 70/30-54/21