Answers

Add 63/21 and 36/5

1^st number: 3 0/21, 2^nd number: 7 1/5

63/21 + 36/5 is 51/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 5 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 21 × 5 = 105,
   63/21 = 63 × 5/21 × 5 = 315/105
3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
   36/5 = 36 × 21/5 × 21 = 756/105
4. Add the two like fractions:
   315/105 + 756/105 = 315 + 756/105 = 1071/105
5. 1071/105 simplified gives 51/5
6. So, 63/21 + 36/5 = 51/5
   In mixed form: 101/5

MathStep (Works offline)

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

Related: ⁶³/₂₁+⁷²/₅ ⁶³/₄₂+³⁶/₅ ⁶³/₂₁+³⁶/₁₀ ⁶³/₂₁+³⁶/₁₅ ⁶³/₂₁+³⁶/₂₅ ⁶³/₂₁+³⁶/₃₅

Add Fractions Calculator