Answers

Add 90/40 and 48/30

1^st number: 2 10/40, 2^nd number: 1 18/30

90/40 + 48/30 is 77/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 30 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 30 × 4 = 120,
   48/30 = 48 × 4/30 × 4 = 192/120
4. Add the two like fractions:
   270/120 + 192/120 = 270 + 192/120 = 462/120
5. 462/120 simplified gives 77/20
6. So, 90/40 + 48/30 = 77/20
   In mixed form: 317/20

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