Answers

Add 42/72 and 48/27

1^st number: 42/72, 2^nd number: 1 21/27

42/72 + 48/27 is 85/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 27 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 72 × 3 = 216,
   42/72 = 42 × 3/72 × 3 = 126/216
3. Likewise, for the 2nd fraction, since 27 × 8 = 216,
   48/27 = 48 × 8/27 × 8 = 384/216
4. Add the two like fractions:
   126/216 + 384/216 = 126 + 384/216 = 510/216
5. 510/216 simplified gives 85/36
6. So, 42/72 + 48/27 = 85/36
   In mixed form: 213/36

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