Answers

Add 48/60 and 81/72

1^st number: 48/60, 2^nd number: 1 9/72

48/60 + 81/72 is 77/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 60 × 6 = 360,
   48/60 = 48 × 6/60 × 6 = 288/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   81/72 = 81 × 5/72 × 5 = 405/360
4. Add the two like fractions:
   288/360 + 405/360 = 288 + 405/360 = 693/360
5. 693/360 simplified gives 77/40
6. So, 48/60 + 81/72 = 77/40
   In mixed form: 137/40

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