Answers

Add 90/40 and 45/14

1^st number: 2 10/40, 2^nd number: 3 3/14

90/40 + 45/14 is 153/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 14 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   90/40 = 90 × 7/40 × 7 = 630/280
3. Likewise, for the 2nd fraction, since 14 × 20 = 280,
   45/14 = 45 × 20/14 × 20 = 900/280
4. Add the two like fractions:
   630/280 + 900/280 = 630 + 900/280 = 1530/280
5. 1530/280 simplified gives 153/28
6. So, 90/40 + 45/14 = 153/28
   In mixed form: 513/28

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