Answers

Add 10/42 and 28/27

1^st number: 10/42, 2^nd number: 1 1/27

10/42 + 28/27 is 241/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 27 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 42 × 9 = 378,
   10/42 = 10 × 9/42 × 9 = 90/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   28/27 = 28 × 14/27 × 14 = 392/378
4. Add the two like fractions:
   90/378 + 392/378 = 90 + 392/378 = 482/378
5. 482/378 simplified gives 241/189
6. So, 10/42 + 28/27 = 241/189
   In mixed form: 152/189

MathStep (Works offline)

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

Related: ²⁰/₄₂+²⁸/₂₇ ¹⁰/₄₂+⁵⁶/₂₇ ¹⁰/₈₄+²⁸/₂₇ ¹⁰/₄₂+²⁸/₅₄ ³⁰/₄₂+²⁸/₂₇ ¹⁰/₄₂+⁸⁴/₂₇ ¹⁰/₄₂+²⁸/₈₁ ⁵⁰/₄₂+²⁸/₂₇ ⁷⁰/₄₂+²⁸/₂₇

Add Fractions Calculator