Add 27/15 and 75/45
1st number: 1 12/15, 2nd number: 1 30/45
27/15 + 75/45 is 52/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
27/15 = 27 × 3/15 × 3 = 81/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
75/45 = 75 × 1/45 × 1 = 75/45 - Add the two like fractions:
81/45 + 75/45 = 81 + 75/45 = 156/45 - 156/45 simplified gives 52/15
- So, 27/15 + 75/45 = 52/15
In mixed form: 37/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+75/45 27/30+75/45 27/15+75/90 81/15+75/45 27/45+75/45 27/75+75/45