Answers

Add 21/75 and 72/56

1^st number: 21/75, 2^nd number: 1 16/56

21/75 + 72/56 is 274/175.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 56 is 4200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4200
2. For the 1st fraction, since 75 × 56 = 4200,
   21/75 = 21 × 56/75 × 56 = 1176/4200
3. Likewise, for the 2nd fraction, since 56 × 75 = 4200,
   72/56 = 72 × 75/56 × 75 = 5400/4200
4. Add the two like fractions:
   1176/4200 + 5400/4200 = 1176 + 5400/4200 = 6576/4200
5. 6576/4200 simplified gives 274/175
6. So, 21/75 + 72/56 = 274/175
   In mixed form: 199/175

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