Answers

Add 2/84 and 63/90

2/84 + 63/90 is 76/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   2/84 = 2 × 15/84 × 15 = 30/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   63/90 = 63 × 14/90 × 14 = 882/1260
4. Add the two like fractions:
   30/1260 + 882/1260 = 30 + 882/1260 = 912/1260
5. 912/1260 simplified gives 76/105
6. So, 2/84 + 63/90 = 76/105

MathStep (Works offline)

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

Related: ⁴/₈₄+⁶³/₉₀ ⁶/₈₄+⁶³/₉₀ ¹⁰/₈₄+⁶³/₉₀ ¹⁴/₈₄+⁶³/₉₀

Add Fractions Calculator