Answers

Add 18/70 and 98/60

1^st number: 18/70, 2^nd number: 1 38/60

18/70 + 98/60 is 397/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   18/70 = 18 × 6/70 × 6 = 108/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   98/60 = 98 × 7/60 × 7 = 686/420
4. Add the two like fractions:
   108/420 + 686/420 = 108 + 686/420 = 794/420
5. 794/420 simplified gives 397/210
6. So, 18/70 + 98/60 = 397/210
   In mixed form: 1187/210

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