Answers

Add 35/70 and 90/72

1^st number: 35/70, 2^nd number: 1 18/72

35/70 + 90/72 is 7/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 70 × 36 = 2520,
   35/70 = 35 × 36/70 × 36 = 1260/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   90/72 = 90 × 35/72 × 35 = 3150/2520
4. Add the two like fractions:
   1260/2520 + 3150/2520 = 1260 + 3150/2520 = 4410/2520
5. 4410/2520 simplified gives 7/4
6. So, 35/70 + 90/72 = 7/4
   In mixed form: 13/4

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