Answers

Add 14/4 and 54/15

1^st number: 3 2/4, 2^nd number: 3 9/15

14/4 + 54/15 is 71/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 15 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 4 × 15 = 60,
   14/4 = 14 × 15/4 × 15 = 210/60
3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
   54/15 = 54 × 4/15 × 4 = 216/60
4. Add the two like fractions:
   210/60 + 216/60 = 210 + 216/60 = 426/60
5. 426/60 simplified gives 71/10
6. So, 14/4 + 54/15 = 71/10
   In mixed form: 71/10

MathStep (Works offline)

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

Related: ²⁸/₄+⁵⁴/₁₅ ¹⁴/₈+⁵⁴/₁₅ ¹⁴/₄+⁵⁴/₃₀ ⁴²/₄+⁵⁴/₁₅ ¹⁴/₁₂+⁵⁴/₁₅ ¹⁴/₄+⁵⁴/₄₅ ⁷⁰/₄+⁵⁴/₁₅ ¹⁴/₂₀+⁵⁴/₁₅ ¹⁴/₄+⁵⁴/₇₅ ⁹⁸/₄+⁵⁴/₁₅ ¹⁴/₂₈+⁵⁴/₁₅

Add Fractions Calculator