Add 15/27 and 70/25
1st number: 15/27, 2nd number: 2 20/25
15/27 + 70/25 is 151/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 25 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 27 × 25 = 675,
15/27 = 15 × 25/27 × 25 = 375/675 - Likewise, for the 2nd fraction, since 25 × 27 = 675,
70/25 = 70 × 27/25 × 27 = 1890/675 - Add the two like fractions:
375/675 + 1890/675 = 375 + 1890/675 = 2265/675 - 2265/675 simplified gives 151/45
- So, 15/27 + 70/25 = 151/45
In mixed form: 316/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/27+70/25 15/54+70/25 15/27+70/50 45/27+70/25 15/81+70/25 15/27+70/75 75/27+70/25