Answers

Add 72/9 and 35/70

1^st number: 8 0/9, 2^nd number: 35/70

72/9 + 35/70 is 17/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 9 × 70 = 630,
   72/9 = 72 × 70/9 × 70 = 5040/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   35/70 = 35 × 9/70 × 9 = 315/630
4. Add the two like fractions:
   5040/630 + 315/630 = 5040 + 315/630 = 5355/630
5. 5355/630 simplified gives 17/2
6. So, 72/9 + 35/70 = 17/2
   In mixed form: 81/2

MathStep (Works offline)

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

Related: ⁷²/₁₈+³⁵/₇₀ ⁷²/₂₇+³⁵/₇₀ ⁷²/₄₅+³⁵/₇₀ ⁷²/₆₃+³⁵/₇₀

Add Fractions Calculator