Answers

Add 21/60 and 90/24

1^st number: 21/60, 2^nd number: 3 18/24

21/60 + 90/24 is 41/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 24 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   21/60 = 21 × 2/60 × 2 = 42/120
3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
   90/24 = 90 × 5/24 × 5 = 450/120
4. Add the two like fractions:
   42/120 + 450/120 = 42 + 450/120 = 492/120
5. 492/120 simplified gives 41/10
6. So, 21/60 + 90/24 = 41/10
   In mixed form: 41/10

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