Answers

Add 84/54 and 35/70

1^st number: 1 30/54, 2^nd number: 35/70

84/54 + 35/70 is 37/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 70 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 54 × 35 = 1890,
   84/54 = 84 × 35/54 × 35 = 2940/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   35/70 = 35 × 27/70 × 27 = 945/1890
4. Add the two like fractions:
   2940/1890 + 945/1890 = 2940 + 945/1890 = 3885/1890
5. 3885/1890 simplified gives 37/18
6. So, 84/54 + 35/70 = 37/18
   In mixed form: 21/18

MathStep (Works offline)

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

Related:

Add Fractions Calculator