Answers

Add 80/70 and 98/30

1^st number: 1 10/70, 2^nd number: 3 8/30

80/70 + 98/30 is 463/105.

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,
   80/70 = 80 × 3/70 × 3 = 240/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   98/30 = 98 × 7/30 × 7 = 686/210
4. Add the two like fractions:
   240/210 + 686/210 = 240 + 686/210 = 926/210
5. 926/210 simplified gives 463/105
6. So, 80/70 + 98/30 = 463/105
   In mixed form: 443/105

MathStep (Works offline)

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

Related: ⁸⁰/₇₀+⁹⁸/₆₀ ⁸⁰/₇₀+⁹⁸/₉₀

Add Fractions Calculator