Subtract 7/70 from 75/54
1st number: 1 21/54, 2nd number: 7/70
75/54 - 7/70 is 58/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
75/54 = 75 × 35/54 × 35 = 2625/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
7/70 = 7 × 27/70 × 27 = 189/1890 - Subtract the two like fractions:
2625/1890 - 189/1890 = 2625 - 189/1890 = 2436/1890 - After reducing the fraction, the answer is 58/45
- In mixed form: 113/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/54-14/70 75/54-21/70 75/54-35/70 75/54-49/70