Answers

Add 60/15 and 63/42

1^st number: 4 0/15, 2^nd number: 1 21/42

60/15 + 63/42 is 11/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 15 × 14 = 210,
   60/15 = 60 × 14/15 × 14 = 840/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   63/42 = 63 × 5/42 × 5 = 315/210
4. Add the two like fractions:
   840/210 + 315/210 = 840 + 315/210 = 1155/210
5. 1155/210 simplified gives 11/2
6. So, 60/15 + 63/42 = 11/2
   In mixed form: 51/2

MathStep (Works offline)

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

Related: ⁶⁰/₃₀+⁶³/₄₂ ⁶⁰/₁₅+⁶³/₈₄ ⁶⁰/₄₅+⁶³/₄₂ ⁶⁰/₇₅+⁶³/₄₂

Add Fractions Calculator