Answers

Add 45/63 and 40/5

1^st number: 45/63, 2^nd number: 8 0/5

45/63 + 40/5 is 61/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 5 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   45/63 = 45 × 5/63 × 5 = 225/315
3. Likewise, for the 2nd fraction, since 5 × 63 = 315,
   40/5 = 40 × 63/5 × 63 = 2520/315
4. Add the two like fractions:
   225/315 + 2520/315 = 225 + 2520/315 = 2745/315
5. 2745/315 simplified gives 61/7
6. So, 45/63 + 40/5 = 61/7
   In mixed form: 85/7

MathStep (Works offline)

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

Related: ⁹⁰/₆₃+⁴⁰/₅ ⁴⁵/₆₃+⁸⁰/₅ ⁴⁵/₆₃+⁴⁰/₁₀ ⁴⁵/₆₃+⁴⁰/₁₅ ⁴⁵/₆₃+⁴⁰/₂₅ ⁴⁵/₆₃+⁴⁰/₃₅

Add Fractions Calculator