Answers

Add 81/36 and 70/40

1^st number: 2 9/36, 2^nd number: 1 30/40

81/36 + 70/40 is 4/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 36 × 10 = 360,
   81/36 = 81 × 10/36 × 10 = 810/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   70/40 = 70 × 9/40 × 9 = 630/360
4. Add the two like fractions:
   810/360 + 630/360 = 810 + 630/360 = 1440/360
5. 1440/360 simplified gives 4/1
6. So, 81/36 + 70/40 = 4/1

MathStep (Works offline)

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

Related: ⁸¹/₇₂+⁷⁰/₄₀ ⁸¹/₃₆+⁷⁰/₈₀

Add Fractions Calculator