Add 70/14 and 75/54
1st number: 5 0/14, 2nd number: 1 21/54
70/14 + 75/54 is 115/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
70/14 = 70 × 27/14 × 27 = 1890/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
75/54 = 75 × 7/54 × 7 = 525/378 - Add the two like fractions:
1890/378 + 525/378 = 1890 + 525/378 = 2415/378 - 2415/378 simplified gives 115/18
- So, 70/14 + 75/54 = 115/18
In mixed form: 67/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+75/54 70/42+75/54 70/98+75/54