Add 63/15 and 27/84
1st number: 4 3/15, 2nd number: 27/84
63/15 + 27/84 is 633/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
63/15 = 63 × 28/15 × 28 = 1764/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
27/84 = 27 × 5/84 × 5 = 135/420 - Add the two like fractions:
1764/420 + 135/420 = 1764 + 135/420 = 1899/420 - 1899/420 simplified gives 633/140
- So, 63/15 + 27/84 = 633/140
In mixed form: 473/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+54/84 63/30+27/84 63/15+81/84 63/45+27/84 63/75+27/84