Answers

Add 84/63 and 9/30

1^st number: 1 21/63, 2^nd number: 9/30

84/63 + 9/30 is 49/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   84/63 = 84 × 10/63 × 10 = 840/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   9/30 = 9 × 21/30 × 21 = 189/630
4. Add the two like fractions:
   840/630 + 189/630 = 840 + 189/630 = 1029/630
5. 1029/630 simplified gives 49/30
6. So, 84/63 + 9/30 = 49/30
   In mixed form: 119/30

MathStep (Works offline)

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

Related: ⁸⁴/₆₃+¹⁸/₃₀ ⁸⁴/₆₃+⁹/₆₀ ⁸⁴/₆₃+²⁷/₃₀ ⁸⁴/₆₃+⁹/₉₀ ⁸⁴/₆₃+⁴⁵/₃₀ ⁸⁴/₆₃+⁶³/₃₀

Add Fractions Calculator