Add 27/75 and 45/70
27/75 + 45/70 is 351/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
27/75 = 27 × 14/75 × 14 = 378/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
45/70 = 45 × 15/70 × 15 = 675/1050 - Add the two like fractions:
378/1050 + 675/1050 = 378 + 675/1050 = 1053/1050 - 1053/1050 simplified gives 351/350
- So, 27/75 + 45/70 = 351/350
In mixed form: 11/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/75+45/70 27/75+90/70 81/75+45/70