Answers

Add 70/4 and 81/45

1^st number: 17 2/4, 2^nd number: 1 36/45

70/4 + 81/45 is 193/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 4 × 45 = 180,
   70/4 = 70 × 45/4 × 45 = 3150/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   81/45 = 81 × 4/45 × 4 = 324/180
4. Add the two like fractions:
   3150/180 + 324/180 = 3150 + 324/180 = 3474/180
5. 3474/180 simplified gives 193/10
6. So, 70/4 + 81/45 = 193/10
   In mixed form: 193/10

MathStep (Works offline)

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

Related: ⁷⁰/₈+⁸¹/₄₅ ⁷⁰/₄+⁸¹/₉₀ ⁷⁰/₁₂+⁸¹/₄₅ ⁷⁰/₂₀+⁸¹/₄₅ ⁷⁰/₂₈+⁸¹/₄₅

Add Fractions Calculator