Add 36/27 and 12/45
1st number: 1 9/27, 2nd number: 12/45
36/27 + 12/45 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
36/27 = 36 × 5/27 × 5 = 180/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
12/45 = 12 × 3/45 × 3 = 36/135 - Add the two like fractions:
180/135 + 36/135 = 180 + 36/135 = 216/135 - 216/135 simplified gives 8/5
- So, 36/27 + 12/45 = 8/5
In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/27+12/45 36/27+24/45 36/54+12/45 36/27+12/90 36/27+36/45 36/81+12/45 36/27+60/45 36/27+84/45