Answers

Add 3/70 and 90/54

1^st number: 3/70, 2^nd number: 1 36/54

3/70 + 90/54 is 359/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 54 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 70 × 27 = 1890,
   3/70 = 3 × 27/70 × 27 = 81/1890
3. Likewise, for the 2nd fraction, since 54 × 35 = 1890,
   90/54 = 90 × 35/54 × 35 = 3150/1890
4. Add the two like fractions:
   81/1890 + 3150/1890 = 81 + 3150/1890 = 3231/1890
5. 3231/1890 simplified gives 359/210
6. So, 3/70 + 90/54 = 359/210
   In mixed form: 1149/210

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