Add 27/63 and 36/45
27/63 + 36/45 is 43/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
27/63 = 27 × 5/63 × 5 = 135/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
36/45 = 36 × 7/45 × 7 = 252/315 - Add the two like fractions:
135/315 + 252/315 = 135 + 252/315 = 387/315 - 387/315 simplified gives 43/35
- So, 27/63 + 36/45 = 43/35
In mixed form: 18/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+36/45 27/63+72/45 27/63+36/90 81/63+36/45