Answers

Add 36/21 and 48/45

1^st number: 1 15/21, 2^nd number: 1 3/45

36/21 + 48/45 is 292/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 21 × 15 = 315,
   36/21 = 36 × 15/21 × 15 = 540/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   48/45 = 48 × 7/45 × 7 = 336/315
4. Add the two like fractions:
   540/315 + 336/315 = 540 + 336/315 = 876/315
5. 876/315 simplified gives 292/105
6. So, 36/21 + 48/45 = 292/105
   In mixed form: 282/105

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