Answers

Add 90/42 and 25/27

1^st number: 2 6/42, 2^nd number: 25/27

90/42 + 25/27 is 580/189.

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,
   90/42 = 90 × 9/42 × 9 = 810/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   25/27 = 25 × 14/27 × 14 = 350/378
4. Add the two like fractions:
   810/378 + 350/378 = 810 + 350/378 = 1160/378
5. 1160/378 simplified gives 580/189
6. So, 90/42 + 25/27 = 580/189
   In mixed form: 313/189

MathStep (Works offline)

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

Related: ⁹⁰/₄₂+⁵⁰/₂₇ ⁹⁰/₈₄+²⁵/₂₇ ⁹⁰/₄₂+²⁵/₅₄ ⁹⁰/₄₂+⁷⁵/₂₇ ⁹⁰/₄₂+²⁵/₈₁

Add Fractions Calculator