Answers

Add 10/84 and 84/45

1^st number: 10/84, 2^nd number: 1 39/45

10/84 + 84/45 is 139/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   10/84 = 10 × 15/84 × 15 = 150/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   84/45 = 84 × 28/45 × 28 = 2352/1260
4. Add the two like fractions:
   150/1260 + 2352/1260 = 150 + 2352/1260 = 2502/1260
5. 2502/1260 simplified gives 139/70
6. So, 10/84 + 84/45 = 139/70
   In mixed form: 169/70

MathStep (Works offline)

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

Related: ²⁰/₈₄+⁸⁴/₄₅ ¹⁰/₈₄+⁸⁴/₉₀ ³⁰/₈₄+⁸⁴/₄₅ ⁵⁰/₈₄+⁸⁴/₄₅ ⁷⁰/₈₄+⁸⁴/₄₅

Add Fractions Calculator