Answers

Add 32/21 and 49/80

1^st number: 1 11/21, 2^nd number: 49/80

32/21 + 49/80 is 3589/1680.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 21 × 80 = 1680,
   32/21 = 32 × 80/21 × 80 = 2560/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   49/80 = 49 × 21/80 × 21 = 1029/1680
4. Add the two like fractions:
   2560/1680 + 1029/1680 = 2560 + 1029/1680 = 3589/1680
5. So, 32/21 + 49/80 = 3589/1680
   In mixed form: 2229/1680

MathStep (Works offline)

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

Related: ⁶⁴/₂₁+⁴⁹/₈₀ ³²/₂₁+⁹⁸/₈₀ ³²/₄₂+⁴⁹/₈₀ ⁹⁶/₂₁+⁴⁹/₈₀ ³²/₆₃+⁴⁹/₈₀

Add Fractions Calculator