Answers

Add 90/35 and 27/42

1^st number: 2 20/35, 2^nd number: 27/42

90/35 + 27/42 is 45/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 35 × 6 = 210,
   90/35 = 90 × 6/35 × 6 = 540/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   27/42 = 27 × 5/42 × 5 = 135/210
4. Add the two like fractions:
   540/210 + 135/210 = 540 + 135/210 = 675/210
5. 675/210 simplified gives 45/14
6. So, 90/35 + 27/42 = 45/14
   In mixed form: 33/14

MathStep (Works offline)

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

Related: ⁹⁰/₃₅+⁵⁴/₄₂ ⁹⁰/₇₀+²⁷/₄₂ ⁹⁰/₃₅+²⁷/₈₄ ⁹⁰/₃₅+⁸¹/₄₂

Add Fractions Calculator