Answers

Add 81/49 and 12/90

1^st number: 1 32/49, 2^nd number: 12/90

81/49 + 12/90 is 1313/735.

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,
   81/49 = 81 × 90/49 × 90 = 7290/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   12/90 = 12 × 49/90 × 49 = 588/4410
4. Add the two like fractions:
   7290/4410 + 588/4410 = 7290 + 588/4410 = 7878/4410
5. 7878/4410 simplified gives 1313/735
6. So, 81/49 + 12/90 = 1313/735
   In mixed form: 1578/735

MathStep (Works offline)

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

Related: ⁸¹/₄₉+²⁴/₉₀ ⁸¹/₉₈+¹²/₉₀ ⁸¹/₄₉+³⁶/₉₀ ⁸¹/₄₉+⁶⁰/₉₀ ⁸¹/₄₉+⁸⁴/₉₀

Add Fractions Calculator