Answers

Add 35/75 and 45/12

1^st number: 35/75, 2^nd number: 3 9/12

35/75 + 45/12 is 253/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 12 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   35/75 = 35 × 4/75 × 4 = 140/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   45/12 = 45 × 25/12 × 25 = 1125/300
4. Add the two like fractions:
   140/300 + 1125/300 = 140 + 1125/300 = 1265/300
5. 1265/300 simplified gives 253/60
6. So, 35/75 + 45/12 = 253/60
   In mixed form: 413/60

MathStep (Works offline)

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

Related: ⁷⁰/₇₅+⁴⁵/₁₂ ³⁵/₇₅+⁹⁰/₁₂ ³⁵/₇₅+⁴⁵/₂₄ ³⁵/₇₅+⁴⁵/₃₆ ³⁵/₇₅+⁴⁵/₆₀ ³⁵/₇₅+⁴⁵/₈₄

Add Fractions Calculator