Add 70/75 and 45/27
1st number: 70/75, 2nd number: 1 18/27
70/75 + 45/27 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 27 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 75 × 9 = 675,
70/75 = 70 × 9/75 × 9 = 630/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
45/27 = 45 × 25/27 × 25 = 1125/675 - Add the two like fractions:
630/675 + 1125/675 = 630 + 1125/675 = 1755/675 - 1755/675 simplified gives 13/5
- So, 70/75 + 45/27 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75+90/27 70/75+45/54 70/75+45/81