Answers

Add 72/63 and 45/10

1^st number: 1 9/63, 2^nd number: 4 5/10

72/63 + 45/10 is 79/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 10 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   72/63 = 72 × 10/63 × 10 = 720/630
3. Likewise, for the 2nd fraction, since 10 × 63 = 630,
   45/10 = 45 × 63/10 × 63 = 2835/630
4. Add the two like fractions:
   720/630 + 2835/630 = 720 + 2835/630 = 3555/630
5. 3555/630 simplified gives 79/14
6. So, 72/63 + 45/10 = 79/14
   In mixed form: 59/14

MathStep (Works offline)

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

Related: ⁷²/₆₃+⁹⁰/₁₀ ⁷²/₆₃+⁴⁵/₂₀ ⁷²/₆₃+⁴⁵/₃₀ ⁷²/₆₃+⁴⁵/₅₀ ⁷²/₆₃+⁴⁵/₇₀

Add Fractions Calculator