Answers

Add 90/16 and 64/40

1^st number: 5 10/16, 2^nd number: 1 24/40

90/16 + 64/40 is 289/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 40 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   90/16 = 90 × 5/16 × 5 = 450/80
3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
   64/40 = 64 × 2/40 × 2 = 128/80
4. Add the two like fractions:
   450/80 + 128/80 = 450 + 128/80 = 578/80
5. 578/80 simplified gives 289/40
6. So, 90/16 + 64/40 = 289/40
   In mixed form: 79/40

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