Answers

Add 3/42 and 90/56

1^st number: 3/42, 2^nd number: 1 34/56

3/42 + 90/56 is 47/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   3/42 = 3 × 4/42 × 4 = 12/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   90/56 = 90 × 3/56 × 3 = 270/168
4. Add the two like fractions:
   12/168 + 270/168 = 12 + 270/168 = 282/168
5. 282/168 simplified gives 47/28
6. So, 3/42 + 90/56 = 47/28
   In mixed form: 119/28

MathStep (Works offline)

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

Related: ⁶/₄₂+⁹⁰/₅₆ ³/₈₄+⁹⁰/₅₆ ⁹/₄₂+⁹⁰/₅₆ ¹⁵/₄₂+⁹⁰/₅₆ ²¹/₄₂+⁹⁰/₅₆

Add Fractions Calculator