Answers

Add 35/40 and 90/72

1^st number: 35/40, 2^nd number: 1 18/72

35/40 + 90/72 is 17/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   35/40 = 35 × 9/40 × 9 = 315/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   90/72 = 90 × 5/72 × 5 = 450/360
4. Add the two like fractions:
   315/360 + 450/360 = 315 + 450/360 = 765/360
5. 765/360 simplified gives 17/8
6. So, 35/40 + 90/72 = 17/8
   In mixed form: 21/8

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