Add 27/36 and 12/45
27/36 + 12/45 is 61/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
27/36 = 27 × 5/36 × 5 = 135/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
12/45 = 12 × 4/45 × 4 = 48/180 - Add the two like fractions:
135/180 + 48/180 = 135 + 48/180 = 183/180 - 183/180 simplified gives 61/60
- So, 27/36 + 12/45 = 61/60
In mixed form: 11/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+12/45 27/36+24/45 27/72+12/45 27/36+12/90 81/36+12/45 27/36+36/45 27/36+60/45 27/36+84/45