Answers

Add 45/84 and 63/30

1^st number: 45/84, 2^nd number: 2 3/30

45/84 + 63/30 is 369/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   45/84 = 45 × 5/84 × 5 = 225/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   63/30 = 63 × 14/30 × 14 = 882/420
4. Add the two like fractions:
   225/420 + 882/420 = 225 + 882/420 = 1107/420
5. 1107/420 simplified gives 369/140
6. So, 45/84 + 63/30 = 369/140
   In mixed form: 289/140

MathStep (Works offline)

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

Related: ⁹⁰/₈₄+⁶³/₃₀ ⁴⁵/₈₄+⁶³/₆₀ ⁴⁵/₈₄+⁶³/₉₀

Add Fractions Calculator