Answers

Add 45/70 and 90/3

1^st number: 45/70, 2^nd number: 30 0/3

45/70 + 90/3 is 429/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 3 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   45/70 = 45 × 3/70 × 3 = 135/210
3. Likewise, for the 2nd fraction, since 3 × 70 = 210,
   90/3 = 90 × 70/3 × 70 = 6300/210
4. Add the two like fractions:
   135/210 + 6300/210 = 135 + 6300/210 = 6435/210
5. 6435/210 simplified gives 429/14
6. So, 45/70 + 90/3 = 429/14
   In mixed form: 309/14

MathStep (Works offline)

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

Related: ⁹⁰/₇₀+⁹⁰/₃ ⁴⁵/₇₀+⁹⁰/₆ ⁴⁵/₇₀+⁹⁰/₉ ⁴⁵/₇₀+⁹⁰/₁₅ ⁴⁵/₇₀+⁹⁰/₂₁

Add Fractions Calculator