Answers

Add 56/45 and 45/72

1^st number: 1 11/45, 2^nd number: 45/72

56/45 + 45/72 is 673/360.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   56/45 = 56 × 8/45 × 8 = 448/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   45/72 = 45 × 5/72 × 5 = 225/360
4. Add the two like fractions:
   448/360 + 225/360 = 448 + 225/360 = 673/360
5. So, 56/45 + 45/72 = 673/360
   In mixed form: 1313/360

MathStep (Works offline)

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

Related: ⁵⁶/₄₅+⁹⁰/₇₂ ⁵⁶/₉₀+⁴⁵/₇₂

Add Fractions Calculator