Answers

Add 12/84 and 10/45

12/84 + 10/45 is 23/63.

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,
   12/84 = 12 × 15/84 × 15 = 180/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   10/45 = 10 × 28/45 × 28 = 280/1260
4. Add the two like fractions:
   180/1260 + 280/1260 = 180 + 280/1260 = 460/1260
5. 460/1260 simplified gives 23/63
6. So, 12/84 + 10/45 = 23/63

MathStep (Works offline)

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

Related: ²⁴/₈₄+¹⁰/₄₅ ¹²/₈₄+²⁰/₄₅ ¹²/₈₄+¹⁰/₉₀ ³⁶/₈₄+¹⁰/₄₅ ¹²/₈₄+³⁰/₄₅ ⁶⁰/₈₄+¹⁰/₄₅ ¹²/₈₄+⁵⁰/₄₅ ¹²/₈₄+⁷⁰/₄₅

Add Fractions Calculator