Answers

Add 36/12 and 45/28

1^st number: 3 0/12, 2^nd number: 1 17/28

36/12 + 45/28 is 129/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   36/12 = 36 × 7/12 × 7 = 252/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   45/28 = 45 × 3/28 × 3 = 135/84
4. Add the two like fractions:
   252/84 + 135/84 = 252 + 135/84 = 387/84
5. 387/84 simplified gives 129/28
6. So, 36/12 + 45/28 = 129/28
   In mixed form: 417/28

MathStep (Works offline)

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

Related: ⁷²/₁₂+⁴⁵/₂₈ ³⁶/₁₂+⁹⁰/₂₈ ³⁶/₂₄+⁴⁵/₂₈ ³⁶/₁₂+⁴⁵/₅₆ ³⁶/₁₂+⁴⁵/₈₄ ³⁶/₆₀+⁴⁵/₂₈ ³⁶/₈₄+⁴⁵/₂₈

Add Fractions Calculator