Answers

Add 84/70 and 35/30

1^st number: 1 14/70, 2^nd number: 1 5/30

84/70 + 35/30 is 71/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   84/70 = 84 × 3/70 × 3 = 252/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   35/30 = 35 × 7/30 × 7 = 245/210
4. Add the two like fractions:
   252/210 + 245/210 = 252 + 245/210 = 497/210
5. 497/210 simplified gives 71/30
6. So, 84/70 + 35/30 = 71/30
   In mixed form: 211/30

MathStep (Works offline)

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

Related: ⁸⁴/₇₀+⁷⁰/₃₀ ⁸⁴/₇₀+³⁵/₆₀ ⁸⁴/₇₀+³⁵/₉₀

Add Fractions Calculator