Answers

Add 45/5 and 84/72

1^st number: 9 0/5, 2^nd number: 1 12/72

45/5 + 84/72 is 61/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 5 × 72 = 360,
   45/5 = 45 × 72/5 × 72 = 3240/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   84/72 = 84 × 5/72 × 5 = 420/360
4. Add the two like fractions:
   3240/360 + 420/360 = 3240 + 420/360 = 3660/360
5. 3660/360 simplified gives 61/6
6. So, 45/5 + 84/72 = 61/6
   In mixed form: 101/6

MathStep (Works offline)

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

Related: ⁹⁰/₅+⁸⁴/₇₂ ⁴⁵/₁₀+⁸⁴/₇₂ ⁴⁵/₁₅+⁸⁴/₇₂ ⁴⁵/₂₅+⁸⁴/₇₂ ⁴⁵/₃₅+⁸⁴/₇₂

Add Fractions Calculator