Answers

Add 30/84 and 72/14

1^st number: 30/84, 2^nd number: 5 2/14

30/84 + 72/14 is 11/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 14 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   30/84 = 30 × 1/84 × 1 = 30/84
3. Likewise, for the 2nd fraction, since 14 × 6 = 84,
   72/14 = 72 × 6/14 × 6 = 432/84
4. Add the two like fractions:
   30/84 + 432/84 = 30 + 432/84 = 462/84
5. 462/84 simplified gives 11/2
6. So, 30/84 + 72/14 = 11/2
   In mixed form: 51/2

MathStep (Works offline)

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

Related: ⁶⁰/₈₄+⁷²/₁₄ ³⁰/₈₄+⁷²/₂₈ ⁹⁰/₈₄+⁷²/₁₄ ³⁰/₈₄+⁷²/₄₂ ³⁰/₈₄+⁷²/₇₀ ³⁰/₈₄+⁷²/₉₈

Add Fractions Calculator