Answers

Add 40/32 and 42/90

1^st number: 1 8/32, 2^nd number: 42/90

40/32 + 42/90 is 103/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 90 is 1440
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1440
2. For the 1st fraction, since 32 × 45 = 1440,
   40/32 = 40 × 45/32 × 45 = 1800/1440
3. Likewise, for the 2nd fraction, since 90 × 16 = 1440,
   42/90 = 42 × 16/90 × 16 = 672/1440
4. Add the two like fractions:
   1800/1440 + 672/1440 = 1800 + 672/1440 = 2472/1440
5. 2472/1440 simplified gives 103/60
6. So, 40/32 + 42/90 = 103/60
   In mixed form: 143/60

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