Add 36/21 and 30/63
1st number: 1 15/21, 2nd number: 30/63
36/21 + 30/63 is 46/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
36/21 = 36 × 3/21 × 3 = 108/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
30/63 = 30 × 1/63 × 1 = 30/63 - Add the two like fractions:
108/63 + 30/63 = 108 + 30/63 = 138/63 - 138/63 simplified gives 46/21
- So, 36/21 + 30/63 = 46/21
In mixed form: 24/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+30/63 36/21+60/63 36/42+30/63 36/21+90/63 36/63+30/63