Answers

Add 25/42 and 70/40

1^st number: 25/42, 2^nd number: 1 30/40

25/42 + 70/40 is 197/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 42 × 20 = 840,
   25/42 = 25 × 20/42 × 20 = 500/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   70/40 = 70 × 21/40 × 21 = 1470/840
4. Add the two like fractions:
   500/840 + 1470/840 = 500 + 1470/840 = 1970/840
5. 1970/840 simplified gives 197/84
6. So, 25/42 + 70/40 = 197/84
   In mixed form: 229/84

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