Answers

Add 54/84 and 6/70

54/84 + 6/70 is 51/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   54/84 = 54 × 5/84 × 5 = 270/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   6/70 = 6 × 6/70 × 6 = 36/420
4. Add the two like fractions:
   270/420 + 36/420 = 270 + 36/420 = 306/420
5. 306/420 simplified gives 51/70
6. So, 54/84 + 6/70 = 51/70

MathStep (Works offline)

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

Related: ⁵⁴/₈₄+¹²/₇₀ ⁵⁴/₈₄+¹⁸/₇₀ ⁵⁴/₈₄+³⁰/₇₀ ⁵⁴/₈₄+⁴²/₇₀

Add Fractions Calculator