Add 70/54 and 28/14
1st number: 1 16/54, 2nd number: 2 0/14
70/54 + 28/14 is 89/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
28/14 = 28 × 27/14 × 27 = 756/378 - Add the two like fractions:
490/378 + 756/378 = 490 + 756/378 = 1246/378 - 1246/378 simplified gives 89/27
- So, 70/54 + 28/14 = 89/27
In mixed form: 38/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+56/14 70/54+84/14 70/54+28/42 70/54+28/70 70/54+28/98