Answers

Add 42/84 and 21/32

42/84 + 21/32 is 37/32.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 32 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 84 × 8 = 672,
   42/84 = 42 × 8/84 × 8 = 336/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   21/32 = 21 × 21/32 × 21 = 441/672
4. Add the two like fractions:
   336/672 + 441/672 = 336 + 441/672 = 777/672
5. 777/672 simplified gives 37/32
6. So, 42/84 + 21/32 = 37/32
   In mixed form: 15/32

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