Add 36/12 and 30/63
1st number: 3 0/12, 2nd number: 30/63
36/12 + 30/63 is 73/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
36/12 = 36 × 21/12 × 21 = 756/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
30/63 = 30 × 4/63 × 4 = 120/252 - Add the two like fractions:
756/252 + 120/252 = 756 + 120/252 = 876/252 - 876/252 simplified gives 73/21
- So, 36/12 + 30/63 = 73/21
In mixed form: 310/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+30/63 36/12+60/63 36/24+30/63 36/12+90/63 36/60+30/63 36/84+30/63