Add 36/21 and 3/72
1st number: 1 15/21, 2nd number: 3/72
36/21 + 3/72 is 295/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 21 × 24 = 504,
36/21 = 36 × 24/21 × 24 = 864/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
3/72 = 3 × 7/72 × 7 = 21/504 - Add the two like fractions:
864/504 + 21/504 = 864 + 21/504 = 885/504 - 885/504 simplified gives 295/168
- So, 36/21 + 3/72 = 295/168
In mixed form: 1127/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+3/72 36/21+6/72 36/42+3/72 36/21+9/72 36/63+3/72 36/21+15/72 36/21+21/72