Answers

Add 70/40 and 14/90

1^st number: 1 30/40, 2^nd number: 14/90

70/40 + 14/90 is 343/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   70/40 = 70 × 9/40 × 9 = 630/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   14/90 = 14 × 4/90 × 4 = 56/360
4. Add the two like fractions:
   630/360 + 56/360 = 630 + 56/360 = 686/360
5. 686/360 simplified gives 343/180
6. So, 70/40 + 14/90 = 343/180
   In mixed form: 1163/180

MathStep (Works offline)

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

Related: ⁷⁰/₄₀+²⁸/₉₀ ⁷⁰/₈₀+¹⁴/₉₀ ⁷⁰/₄₀+⁴²/₉₀ ⁷⁰/₄₀+⁷⁰/₉₀ ⁷⁰/₄₀+⁹⁸/₉₀

Add Fractions Calculator