Answers

Add 45/7 and 75/63

1^st number: 6 3/7, 2^nd number: 1 12/63

45/7 + 75/63 is 160/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 7 × 9 = 63,
   45/7 = 45 × 9/7 × 9 = 405/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   75/63 = 75 × 1/63 × 1 = 75/63
4. Add the two like fractions:
   405/63 + 75/63 = 405 + 75/63 = 480/63
5. 480/63 simplified gives 160/21
6. So, 45/7 + 75/63 = 160/21
   In mixed form: 713/21

MathStep (Works offline)

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

Related: ⁹⁰/₇+⁷⁵/₆₃ ⁴⁵/₁₄+⁷⁵/₆₃ ⁴⁵/₂₁+⁷⁵/₆₃ ⁴⁵/₃₅+⁷⁵/₆₃ ⁴⁵/₄₉+⁷⁵/₆₃

Add Fractions Calculator