Add 27/63 and 35/21
1st number: 27/63, 2nd number: 1 14/21
27/63 + 35/21 is 44/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
27/63 = 27 × 1/63 × 1 = 27/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
35/21 = 35 × 3/21 × 3 = 105/63 - Add the two like fractions:
27/63 + 105/63 = 27 + 105/63 = 132/63 - 132/63 simplified gives 44/21
- So, 27/63 + 35/21 = 44/21
In mixed form: 22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+35/21 27/63+70/21 27/63+35/42 81/63+35/21 27/63+35/63