Answers

Add 7/21 and 54/40

1^st number: 7/21, 2^nd number: 1 14/40

7/21 + 54/40 is 101/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 21 × 40 = 840,
   7/21 = 7 × 40/21 × 40 = 280/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   54/40 = 54 × 21/40 × 21 = 1134/840
4. Add the two like fractions:
   280/840 + 1134/840 = 280 + 1134/840 = 1414/840
5. 1414/840 simplified gives 101/60
6. So, 7/21 + 54/40 = 101/60
   In mixed form: 141/60

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