Answers

Add 40/49 and 90/27

1^st number: 40/49, 2^nd number: 3 9/27

40/49 + 90/27 is 610/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 27 is 1323
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1323
2. For the 1st fraction, since 49 × 27 = 1323,
   40/49 = 40 × 27/49 × 27 = 1080/1323
3. Likewise, for the 2nd fraction, since 27 × 49 = 1323,
   90/27 = 90 × 49/27 × 49 = 4410/1323
4. Add the two like fractions:
   1080/1323 + 4410/1323 = 1080 + 4410/1323 = 5490/1323
5. 5490/1323 simplified gives 610/147
6. So, 40/49 + 90/27 = 610/147
   In mixed form: 422/147

MathStep (Works offline)

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

Related: ⁸⁰/₄₉+⁹⁰/₂₇ ⁴⁰/₉₈+⁹⁰/₂₇ ⁴⁰/₄₉+⁹⁰/₅₄ ⁴⁰/₄₉+⁹⁰/₈₁

Add Fractions Calculator