Answers

Add 72/45 and 48/40

1^st number: 1 27/45, 2^nd number: 1 8/40

72/45 + 48/40 is 14/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   72/45 = 72 × 8/45 × 8 = 576/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   48/40 = 48 × 9/40 × 9 = 432/360
4. Add the two like fractions:
   576/360 + 432/360 = 576 + 432/360 = 1008/360
5. 1008/360 simplified gives 14/5
6. So, 72/45 + 48/40 = 14/5
   In mixed form: 24/5

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