Answers

Add 70/27 and 90/28

1^st number: 2 16/27, 2^nd number: 3 6/28

70/27 + 90/28 is 2195/378.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 28 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 27 × 28 = 756,
   70/27 = 70 × 28/27 × 28 = 1960/756
3. Likewise, for the 2nd fraction, since 28 × 27 = 756,
   90/28 = 90 × 27/28 × 27 = 2430/756
4. Add the two like fractions:
   1960/756 + 2430/756 = 1960 + 2430/756 = 4390/756
5. 4390/756 simplified gives 2195/378
6. So, 70/27 + 90/28 = 2195/378
   In mixed form: 5305/378

MathStep (Works offline)

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

Related: ⁷⁰/₅₄+⁹⁰/₂₈ ⁷⁰/₂₇+⁹⁰/₅₆ ⁷⁰/₈₁+⁹⁰/₂₈ ⁷⁰/₂₇+⁹⁰/₈₄

Add Fractions Calculator