Answers

Add 40/70 and 84/24

1^st number: 40/70, 2^nd number: 3 12/24

40/70 + 84/24 is 57/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 24 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 70 × 12 = 840,
   40/70 = 40 × 12/70 × 12 = 480/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   84/24 = 84 × 35/24 × 35 = 2940/840
4. Add the two like fractions:
   480/840 + 2940/840 = 480 + 2940/840 = 3420/840
5. 3420/840 simplified gives 57/14
6. So, 40/70 + 84/24 = 57/14
   In mixed form: 41/14

MathStep (Works offline)

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

Related: ⁸⁰/₇₀+⁸⁴/₂₄ ⁴⁰/₇₀+⁸⁴/₄₈ ⁴⁰/₇₀+⁸⁴/₇₂

Add Fractions Calculator