Answers

Add 10/70 and 60/40

1^st number: 10/70, 2^nd number: 1 20/40

10/70 + 60/40 is 23/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   10/70 = 10 × 4/70 × 4 = 40/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   60/40 = 60 × 7/40 × 7 = 420/280
4. Add the two like fractions:
   40/280 + 420/280 = 40 + 420/280 = 460/280
5. 460/280 simplified gives 23/14
6. So, 10/70 + 60/40 = 23/14
   In mixed form: 19/14

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