Subtract 70/54 from 28/7
1st number: 4 0/7, 2nd number: 1 16/54
28/7 - 70/54 is 73/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
28/7 = 28 × 54/7 × 54 = 1512/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378 - Subtract the two like fractions:
1512/378 - 490/378 = 1512 - 490/378 = 1022/378 - After reducing the fraction, the answer is 73/27
- In mixed form: 219/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7-70/54 28/14-70/54 84/7-70/54 28/21-70/54 28/35-70/54 28/49-70/54