Answers

Add 45/72 and 48/40

1^st number: 45/72, 2^nd number: 1 8/40

45/72 + 48/40 is 73/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   45/72 = 45 × 5/72 × 5 = 225/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   48/40 = 48 × 9/40 × 9 = 432/360
4. Add the two like fractions:
   225/360 + 432/360 = 225 + 432/360 = 657/360
5. 657/360 simplified gives 73/40
6. So, 45/72 + 48/40 = 73/40
   In mixed form: 133/40

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