Add 36/21 and 30/49
1st number: 1 15/21, 2nd number: 30/49
36/21 + 30/49 is 114/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
36/21 = 36 × 7/21 × 7 = 252/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
30/49 = 30 × 3/49 × 3 = 90/147 - Add the two like fractions:
252/147 + 90/147 = 252 + 90/147 = 342/147 - 342/147 simplified gives 114/49
- So, 36/21 + 30/49 = 114/49
In mixed form: 216/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+30/49 36/21+60/49 36/42+30/49 36/21+30/98 36/21+90/49 36/63+30/49