Answers

Add 48/40 and 42/15

1^st number: 1 8/40, 2^nd number: 2 12/15

48/40 + 42/15 is 4/1.

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,
   48/40 = 48 × 3/40 × 3 = 144/120
3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
   42/15 = 42 × 8/15 × 8 = 336/120
4. Add the two like fractions:
   144/120 + 336/120 = 144 + 336/120 = 480/120
5. 480/120 simplified gives 4/1
6. So, 48/40 + 42/15 = 4/1

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