Answers

Add 28/75 and 84/12

1^st number: 28/75, 2^nd number: 7 0/12

28/75 + 84/12 is 553/75.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 12 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   28/75 = 28 × 4/75 × 4 = 112/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   84/12 = 84 × 25/12 × 25 = 2100/300
4. Add the two like fractions:
   112/300 + 2100/300 = 112 + 2100/300 = 2212/300
5. 2212/300 simplified gives 553/75
6. So, 28/75 + 84/12 = 553/75
   In mixed form: 728/75

MathStep (Works offline)

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

Related: ⁵⁶/₇₅+⁸⁴/₁₂ ²⁸/₇₅+⁸⁴/₂₄ ⁸⁴/₇₅+⁸⁴/₁₂ ²⁸/₇₅+⁸⁴/₃₆ ²⁸/₇₅+⁸⁴/₆₀

Add Fractions Calculator