Add 45/21 and 5/36
1st number: 2 3/21, 2nd number: 5/36
45/21 + 5/36 is 575/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
45/21 = 45 × 12/21 × 12 = 540/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
5/36 = 5 × 7/36 × 7 = 35/252 - Add the two like fractions:
540/252 + 35/252 = 540 + 35/252 = 575/252 - So, 45/21 + 5/36 = 575/252
In mixed form: 271/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+5/36 45/21+10/36 45/42+5/36 45/21+5/72 45/21+15/36 45/63+5/36 45/21+25/36 45/21+35/36