Add 63/27 and 27/42
1st number: 2 9/27, 2nd number: 27/42
63/27 + 27/42 is 125/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
63/27 = 63 × 14/27 × 14 = 882/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
27/42 = 27 × 9/42 × 9 = 243/378 - Add the two like fractions:
882/378 + 243/378 = 882 + 243/378 = 1125/378 - 1125/378 simplified gives 125/42
- So, 63/27 + 27/42 = 125/42
In mixed form: 241/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/27+54/42 63/54+27/42 63/27+27/84 63/27+81/42 63/81+27/42