Add 63/27 and 45/90
1st number: 2 9/27, 2nd number: 45/90
63/27 + 45/90 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
63/27 = 63 × 10/27 × 10 = 630/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
45/90 = 45 × 3/90 × 3 = 135/270 - Add the two like fractions:
630/270 + 135/270 = 630 + 135/270 = 765/270 - 765/270 simplified gives 17/6
- So, 63/27 + 45/90 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/54+45/90 63/81+45/90