Answers

Add 24/90 and 90/70

1^st number: 24/90, 2^nd number: 1 20/70

24/90 + 90/70 is 163/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   24/90 = 24 × 7/90 × 7 = 168/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   90/70 = 90 × 9/70 × 9 = 810/630
4. Add the two like fractions:
   168/630 + 810/630 = 168 + 810/630 = 978/630
5. 978/630 simplified gives 163/105
6. So, 24/90 + 90/70 = 163/105
   In mixed form: 158/105

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