Answers

Add 63/20 and 21/75

1^st number: 3 3/20, 2^nd number: 21/75

63/20 + 21/75 is 343/100.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 75 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 20 × 15 = 300,
   63/20 = 63 × 15/20 × 15 = 945/300
3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
   21/75 = 21 × 4/75 × 4 = 84/300
4. Add the two like fractions:
   945/300 + 84/300 = 945 + 84/300 = 1029/300
5. 1029/300 simplified gives 343/100
6. So, 63/20 + 21/75 = 343/100
   In mixed form: 343/100

MathStep (Works offline)

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

Related: ⁶³/₂₀+⁴²/₇₅ ⁶³/₄₀+²¹/₇₅ ⁶³/₂₀+⁶³/₇₅ ⁶³/₆₀+²¹/₇₅

Add Fractions Calculator