Answers

Add 90/42 and 60/70

1^st number: 2 6/42, 2^nd number: 60/70

90/42 + 60/70 is 3/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   90/42 = 90 × 5/42 × 5 = 450/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   60/70 = 60 × 3/70 × 3 = 180/210
4. Add the two like fractions:
   450/210 + 180/210 = 450 + 180/210 = 630/210
5. 630/210 simplified gives 3/1
6. So, 90/42 + 60/70 = 3/1

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