Answers

Add 7/54 and 84/70

1^st number: 7/54, 2^nd number: 1 14/70

7/54 + 84/70 is 359/270.

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,
   7/54 = 7 × 35/54 × 35 = 245/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   84/70 = 84 × 27/70 × 27 = 2268/1890
4. Add the two like fractions:
   245/1890 + 2268/1890 = 245 + 2268/1890 = 2513/1890
5. 2513/1890 simplified gives 359/270
6. So, 7/54 + 84/70 = 359/270
   In mixed form: 189/270

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