Answers

Add 90/56 and 42/70

1^st number: 1 34/56, 2^nd number: 42/70

90/56 + 42/70 is 309/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   90/56 = 90 × 5/56 × 5 = 450/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   42/70 = 42 × 4/70 × 4 = 168/280
4. Add the two like fractions:
   450/280 + 168/280 = 450 + 168/280 = 618/280
5. 618/280 simplified gives 309/140
6. So, 90/56 + 42/70 = 309/140
   In mixed form: 229/140

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