Answers

Add 54/40 and 50/42

1^st number: 1 14/40, 2^nd number: 1 8/42

54/40 + 50/42 is 1067/420.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 42 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   54/40 = 54 × 21/40 × 21 = 1134/840
3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
   50/42 = 50 × 20/42 × 20 = 1000/840
4. Add the two like fractions:
   1134/840 + 1000/840 = 1134 + 1000/840 = 2134/840
5. 2134/840 simplified gives 1067/420
6. So, 54/40 + 50/42 = 1067/420
   In mixed form: 2227/420

MathStep (Works offline)

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

Related: ⁵⁴/₈₀+⁵⁰/₄₂ ⁵⁴/₄₀+⁵⁰/₈₄

Add Fractions Calculator