Answers

Add 50/84 and 75/10

1^st number: 50/84, 2^nd number: 7 5/10

50/84 + 75/10 is 170/21.

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,
   50/84 = 50 × 5/84 × 5 = 250/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   75/10 = 75 × 42/10 × 42 = 3150/420
4. Add the two like fractions:
   250/420 + 3150/420 = 250 + 3150/420 = 3400/420
5. 3400/420 simplified gives 170/21
6. So, 50/84 + 75/10 = 170/21
   In mixed form: 82/21

MathStep (Works offline)

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

Related: ⁵⁰/₈₄+⁷⁵/₂₀ ⁵⁰/₈₄+⁷⁵/₃₀ ⁵⁰/₈₄+⁷⁵/₅₀ ⁵⁰/₈₄+⁷⁵/₇₀

Add Fractions Calculator