Answers

Add 84/49 and 30/90

1^st number: 1 35/49, 2^nd number: 30/90

84/49 + 30/90 is 43/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 90 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 49 × 90 = 4410,
   84/49 = 84 × 90/49 × 90 = 7560/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   30/90 = 30 × 49/90 × 49 = 1470/4410
4. Add the two like fractions:
   7560/4410 + 1470/4410 = 7560 + 1470/4410 = 9030/4410
5. 9030/4410 simplified gives 43/21
6. So, 84/49 + 30/90 = 43/21
   In mixed form: 21/21

MathStep (Works offline)

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

Related: ⁸⁴/₄₉+⁶⁰/₉₀ ⁸⁴/₉₈+³⁰/₉₀

Add Fractions Calculator