Answers

Add 54/40 and 30/48

1^st number: 1 14/40, 2^nd number: 30/48

54/40 + 30/48 is 79/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 48 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 40 × 6 = 240,
   54/40 = 54 × 6/40 × 6 = 324/240
3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
   30/48 = 30 × 5/48 × 5 = 150/240
4. Add the two like fractions:
   324/240 + 150/240 = 324 + 150/240 = 474/240
5. 474/240 simplified gives 79/40
6. So, 54/40 + 30/48 = 79/40
   In mixed form: 139/40

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