Answers

Add 98/84 and 21/40

1^st number: 1 14/84, 2^nd number: 21/40

98/84 + 21/40 is 203/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 84 × 10 = 840,
   98/84 = 98 × 10/84 × 10 = 980/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   21/40 = 21 × 21/40 × 21 = 441/840
4. Add the two like fractions:
   980/840 + 441/840 = 980 + 441/840 = 1421/840
5. 1421/840 simplified gives 203/120
6. So, 98/84 + 21/40 = 203/120
   In mixed form: 183/120

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