Answers

Add 5/70 and 90/40

1^st number: 5/70, 2^nd number: 2 10/40

5/70 + 90/40 is 65/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   5/70 = 5 × 4/70 × 4 = 20/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   90/40 = 90 × 7/40 × 7 = 630/280
4. Add the two like fractions:
   20/280 + 630/280 = 20 + 630/280 = 650/280
5. 650/280 simplified gives 65/28
6. So, 5/70 + 90/40 = 65/28
   In mixed form: 29/28

MathStep (Works offline)

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

Related: ¹⁰/₇₀+⁹⁰/₄₀ ⁵/₇₀+⁹⁰/₈₀ ¹⁵/₇₀+⁹⁰/₄₀ ²⁵/₇₀+⁹⁰/₄₀ ³⁵/₇₀+⁹⁰/₄₀

Add Fractions Calculator