Answers

Add 36/20 and 42/40

1^st number: 1 16/20, 2^nd number: 1 2/40

36/20 + 42/40 is 57/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 20 × 2 = 40,
   36/20 = 36 × 2/20 × 2 = 72/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   42/40 = 42 × 1/40 × 1 = 42/40
4. Add the two like fractions:
   72/40 + 42/40 = 72 + 42/40 = 114/40
5. 114/40 simplified gives 57/20
6. So, 36/20 + 42/40 = 57/20
   In mixed form: 217/20

MathStep (Works offline)

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

Related: ⁷²/₂₀+⁴²/₄₀ ³⁶/₂₀+⁸⁴/₄₀ ³⁶/₄₀+⁴²/₄₀ ³⁶/₂₀+⁴²/₈₀ ³⁶/₆₀+⁴²/₄₀

Add Fractions Calculator