Answers

Add 25/42 and 75/18

1^st number: 25/42, 2^nd number: 4 3/18

25/42 + 75/18 is 100/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   25/42 = 25 × 3/42 × 3 = 75/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   75/18 = 75 × 7/18 × 7 = 525/126
4. Add the two like fractions:
   75/126 + 525/126 = 75 + 525/126 = 600/126
5. 600/126 simplified gives 100/21
6. So, 25/42 + 75/18 = 100/21
   In mixed form: 416/21

MathStep (Works offline)

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

Related: ⁵⁰/₄₂+⁷⁵/₁₈ ²⁵/₈₄+⁷⁵/₁₈ ²⁵/₄₂+⁷⁵/₃₆ ⁷⁵/₄₂+⁷⁵/₁₈ ²⁵/₄₂+⁷⁵/₅₄ ²⁵/₄₂+⁷⁵/₉₀

Add Fractions Calculator