Answers

Add 42/90 and 90/14

1^st number: 42/90, 2^nd number: 6 6/14

42/90 + 90/14 is 724/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 14 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   42/90 = 42 × 7/90 × 7 = 294/630
3. Likewise, for the 2nd fraction, since 14 × 45 = 630,
   90/14 = 90 × 45/14 × 45 = 4050/630
4. Add the two like fractions:
   294/630 + 4050/630 = 294 + 4050/630 = 4344/630
5. 4344/630 simplified gives 724/105
6. So, 42/90 + 90/14 = 724/105
   In mixed form: 694/105

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