Answers

Add 90/40 and 60/15

1^st number: 2 10/40, 2^nd number: 4 0/15

90/40 + 60/15 is 25/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 15 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   90/40 = 90 × 3/40 × 3 = 270/120
3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
   60/15 = 60 × 8/15 × 8 = 480/120
4. Add the two like fractions:
   270/120 + 480/120 = 270 + 480/120 = 750/120
5. 750/120 simplified gives 25/4
6. So, 90/40 + 60/15 = 25/4
   In mixed form: 61/4

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