Answers

Add 36/21 and 36/27

1^st number: 1 15/21, 2^nd number: 1 9/27

36/21 + 36/27 is 64/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 21 × 9 = 189,
   36/21 = 36 × 9/21 × 9 = 324/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   36/27 = 36 × 7/27 × 7 = 252/189
4. Add the two like fractions:
   324/189 + 252/189 = 324 + 252/189 = 576/189
5. 576/189 simplified gives 64/21
6. So, 36/21 + 36/27 = 64/21
   In mixed form: 31/21

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁷²/₂₁+³⁶/₂₇ ³⁶/₂₁+⁷²/₂₇ ³⁶/₄₂+³⁶/₂₇ ³⁶/₂₁+³⁶/₅₄ ³⁶/₆₃+³⁶/₂₇ ³⁶/₂₁+³⁶/₈₁

Add Fractions Calculator