Subtract 9/70 from 70/54
1st number: 1 16/54, 2nd number: 9/70
70/54 - 9/70 is 2207/1890.
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,
70/54 = 70 × 35/54 × 35 = 2450/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
9/70 = 9 × 27/70 × 27 = 243/1890 - Subtract the two like fractions:
2450/1890 - 243/1890 = 2450 - 243/1890 = 2207/1890 - In mixed form: 1317/1890
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54-18/70 70/54-27/70 70/54-45/70 70/54-63/70