Answers

Add 90/24 and 40/70

1^st number: 3 18/24, 2^nd number: 40/70

90/24 + 40/70 is 121/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 70 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   90/24 = 90 × 35/24 × 35 = 3150/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   40/70 = 40 × 12/70 × 12 = 480/840
4. Add the two like fractions:
   3150/840 + 480/840 = 3150 + 480/840 = 3630/840
5. 3630/840 simplified gives 121/28
6. So, 90/24 + 40/70 = 121/28
   In mixed form: 49/28

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