Answers

Add 42/56 and 90/40

1^st number: 42/56, 2^nd number: 2 10/40

42/56 + 90/40 is 3/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   42/56 = 42 × 5/56 × 5 = 210/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   90/40 = 90 × 7/40 × 7 = 630/280
4. Add the two like fractions:
   210/280 + 630/280 = 210 + 630/280 = 840/280
5. 840/280 simplified gives 3/1
6. So, 42/56 + 90/40 = 3/1

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