Answers

Add 15/4 and 63/30

1^st number: 3 3/4, 2^nd number: 2 3/30

15/4 + 63/30 is 117/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 30 is 60
2. For the 1st fraction, since 4 × 15 = 60,
   15/4 = 15 × 15/4 × 15 = 225/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   63/30 = 63 × 2/30 × 2 = 126/60
4. Add the two fractions:
   225/60 + 126/60 = 225 + 126/60 = 351/60
5. 351/60 simplified gives 117/20
6. So, 15/4 + 63/30 = 117/20
   In mixed form: 517/20

MathStep (Works offline)

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

Related: ³⁰/₄+⁶³/₃₀ ¹⁵/₈+⁶³/₃₀ ¹⁵/₄+⁶³/₆₀ ⁴⁵/₄+⁶³/₃₀ ¹⁵/₁₂+⁶³/₃₀ ¹⁵/₄+⁶³/₉₀ ⁷⁵/₄+⁶³/₃₀ ¹⁵/₂₀+⁶³/₃₀ ¹⁵/₂₈+⁶³/₃₀

Add Fractions Calculator