Answers

Add 42/63 and 75/42

1^st number: 42/63, 2^nd number: 1 33/42

42/63 + 75/42 is 103/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   42/63 = 42 × 2/63 × 2 = 84/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   75/42 = 75 × 3/42 × 3 = 225/126
4. Add the two like fractions:
   84/126 + 225/126 = 84 + 225/126 = 309/126
5. 309/126 simplified gives 103/42
6. So, 42/63 + 75/42 = 103/42
   In mixed form: 219/42

MathStep (Works offline)

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

Related: ⁸⁴/₆₃+⁷⁵/₄₂ ⁴²/₆₃+⁷⁵/₈₄

Add Fractions Calculator