Answers

Add 98/20 and 21/56

1^st number: 4 18/20, 2^nd number: 21/56

98/20 + 21/56 is 211/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 20 × 14 = 280,
   98/20 = 98 × 14/20 × 14 = 1372/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   21/56 = 21 × 5/56 × 5 = 105/280
4. Add the two like fractions:
   1372/280 + 105/280 = 1372 + 105/280 = 1477/280
5. 1477/280 simplified gives 211/40
6. So, 98/20 + 21/56 = 211/40
   In mixed form: 511/40

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