Answers

Add 15/84 and 25/10

1^st number: 15/84, 2^nd number: 2 5/10

15/84 + 25/10 is 75/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 10 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   15/84 = 15 × 5/84 × 5 = 75/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   25/10 = 25 × 42/10 × 42 = 1050/420
4. Add the two like fractions:
   75/420 + 1050/420 = 75 + 1050/420 = 1125/420
5. 1125/420 simplified gives 75/28
6. So, 15/84 + 25/10 = 75/28
   In mixed form: 219/28

MathStep (Works offline)

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

Related: ³⁰/₈₄+²⁵/₁₀ ¹⁵/₈₄+⁵⁰/₁₀ ¹⁵/₈₄+²⁵/₂₀ ⁴⁵/₈₄+²⁵/₁₀ ¹⁵/₈₄+⁷⁵/₁₀ ¹⁵/₈₄+²⁵/₃₀ ⁷⁵/₈₄+²⁵/₁₀ ¹⁵/₈₄+²⁵/₅₀ ¹⁵/₈₄+²⁵/₇₀

Add Fractions Calculator