Answers

Add 42/45 and 54/4

1^st number: 42/45, 2^nd number: 13 2/4

42/45 + 54/4 is 433/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 4 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   42/45 = 42 × 4/45 × 4 = 168/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   54/4 = 54 × 45/4 × 45 = 2430/180
4. Add the two like fractions:
   168/180 + 2430/180 = 168 + 2430/180 = 2598/180
5. 2598/180 simplified gives 433/30
6. So, 42/45 + 54/4 = 433/30
   In mixed form: 1413/30

MathStep (Works offline)

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

Related: ⁸⁴/₄₅+⁵⁴/₄ ⁴²/₉₀+⁵⁴/₄ ⁴²/₄₅+⁵⁴/₈ ⁴²/₄₅+⁵⁴/₁₂ ⁴²/₄₅+⁵⁴/₂₀ ⁴²/₄₅+⁵⁴/₂₈

Add Fractions Calculator