Answers

Add 80/4 and 84/72

1^st number: 20 0/4, 2^nd number: 1 12/72

80/4 + 84/72 is 127/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 4 × 18 = 72,
   80/4 = 80 × 18/4 × 18 = 1440/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   84/72 = 84 × 1/72 × 1 = 84/72
4. Add the two like fractions:
   1440/72 + 84/72 = 1440 + 84/72 = 1524/72
5. 1524/72 simplified gives 127/6
6. So, 80/4 + 84/72 = 127/6
   In mixed form: 211/6

MathStep (Works offline)

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

Related: ⁸⁰/₈+⁸⁴/₇₂ ⁸⁰/₁₂+⁸⁴/₇₂ ⁸⁰/₂₀+⁸⁴/₇₂ ⁸⁰/₂₈+⁸⁴/₇₂

Add Fractions Calculator