Answers

Add 6/70 and 40/60

6/70 + 40/60 is 79/105.

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,
   6/70 = 6 × 6/70 × 6 = 36/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   40/60 = 40 × 7/60 × 7 = 280/420
4. Add the two like fractions:
   36/420 + 280/420 = 36 + 280/420 = 316/420
5. 316/420 simplified gives 79/105
6. So, 6/70 + 40/60 = 79/105

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