Answers

Add 4/70 and 81/60

1^st number: 4/70, 2^nd number: 1 21/60

4/70 + 81/60 is 197/140.

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,
   4/70 = 4 × 6/70 × 6 = 24/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   81/60 = 81 × 7/60 × 7 = 567/420
4. Add the two like fractions:
   24/420 + 567/420 = 24 + 567/420 = 591/420
5. 591/420 simplified gives 197/140
6. So, 4/70 + 81/60 = 197/140
   In mixed form: 157/140

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