Answers

Add 42/20 and 63/16

1^st number: 2 2/20, 2^nd number: 3 15/16

42/20 + 63/16 is 483/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   42/20 = 42 × 4/20 × 4 = 168/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   63/16 = 63 × 5/16 × 5 = 315/80
4. Add the two like fractions:
   168/80 + 315/80 = 168 + 315/80 = 483/80
5. So, 42/20 + 63/16 = 483/80
   In mixed form: 63/80

MathStep (Works offline)

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

Related: ⁸⁴/₂₀+⁶³/₁₆ ⁴²/₄₀+⁶³/₁₆ ⁴²/₂₀+⁶³/₃₂ ⁴²/₆₀+⁶³/₁₆ ⁴²/₂₀+⁶³/₄₈ ⁴²/₂₀+⁶³/₈₀

Add Fractions Calculator