Answers

Add 54/49 and 20/40

1^st number: 1 5/49, 2^nd number: 20/40

54/49 + 20/40 is 157/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 40 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 49 × 40 = 1960,
   54/49 = 54 × 40/49 × 40 = 2160/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   20/40 = 20 × 49/40 × 49 = 980/1960
4. Add the two like fractions:
   2160/1960 + 980/1960 = 2160 + 980/1960 = 3140/1960
5. 3140/1960 simplified gives 157/98
6. So, 54/49 + 20/40 = 157/98
   In mixed form: 159/98

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