Answers

Add 40/28 and 84/30

1^st number: 1 12/28, 2^nd number: 2 24/30

40/28 + 84/30 is 148/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   40/28 = 40 × 15/28 × 15 = 600/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   84/30 = 84 × 14/30 × 14 = 1176/420
4. Add the two like fractions:
   600/420 + 1176/420 = 600 + 1176/420 = 1776/420
5. 1776/420 simplified gives 148/35
6. So, 40/28 + 84/30 = 148/35
   In mixed form: 48/35

MathStep (Works offline)

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

Related: ⁸⁰/₂₈+⁸⁴/₃₀ ⁴⁰/₅₆+⁸⁴/₃₀ ⁴⁰/₂₈+⁸⁴/₆₀ ⁴⁰/₈₄+⁸⁴/₃₀ ⁴⁰/₂₈+⁸⁴/₉₀

Add Fractions Calculator