Answers

Add 90/70 and 25/36

1^st number: 1 20/70, 2^nd number: 25/36

90/70 + 25/36 is 499/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 36 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 70 × 18 = 1260,
   90/70 = 90 × 18/70 × 18 = 1620/1260
3. Likewise, for the 2nd fraction, since 36 × 35 = 1260,
   25/36 = 25 × 35/36 × 35 = 875/1260
4. Add the two like fractions:
   1620/1260 + 875/1260 = 1620 + 875/1260 = 2495/1260
5. 2495/1260 simplified gives 499/252
6. So, 90/70 + 25/36 = 499/252
   In mixed form: 1247/252

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