Answers

Add 8/60 and 9/70

8/60 + 9/70 is 11/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   8/60 = 8 × 7/60 × 7 = 56/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   9/70 = 9 × 6/70 × 6 = 54/420
4. Add the two like fractions:
   56/420 + 54/420 = 56 + 54/420 = 110/420
5. 110/420 simplified gives 11/42
6. So, 8/60 + 9/70 = 11/42

MathStep (Works offline)

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

Related: ¹⁶/₆₀+⁹/₇₀ ⁸/₆₀+¹⁸/₇₀ ²⁴/₆₀+⁹/₇₀ ⁸/₆₀+²⁷/₇₀ ⁴⁰/₆₀+⁹/₇₀ ⁸/₆₀+⁴⁵/₇₀ ⁵⁶/₆₀+⁹/₇₀ ⁸/₆₀+⁶³/₇₀

Add Fractions Calculator