Answers

Add 81/50 and 42/70

1^st number: 1 31/50, 2^nd number: 42/70

81/50 + 42/70 is 111/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 70 is 350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 350
2. For the 1st fraction, since 50 × 7 = 350,
   81/50 = 81 × 7/50 × 7 = 567/350
3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
   42/70 = 42 × 5/70 × 5 = 210/350
4. Add the two like fractions:
   567/350 + 210/350 = 567 + 210/350 = 777/350
5. 777/350 simplified gives 111/50
6. So, 81/50 + 42/70 = 111/50
   In mixed form: 211/50

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