Answers

Add 54/21 and 24/40

1^st number: 2 12/21, 2^nd number: 24/40

54/21 + 24/40 is 111/35.

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,
   54/21 = 54 × 40/21 × 40 = 2160/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   24/40 = 24 × 21/40 × 21 = 504/840
4. Add the two like fractions:
   2160/840 + 504/840 = 2160 + 504/840 = 2664/840
5. 2664/840 simplified gives 111/35
6. So, 54/21 + 24/40 = 111/35
   In mixed form: 36/35

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