Add 12/32 and 84/21
1st number: 12/32, 2nd number: 4 0/21
12/32 + 84/21 is 35/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
12/32 = 12 × 21/32 × 21 = 252/672 - Likewise, for the 2nd fraction, since 21 × 32 = 672,
84/21 = 84 × 32/21 × 32 = 2688/672 - Add the two like fractions:
252/672 + 2688/672 = 252 + 2688/672 = 2940/672 - 2940/672 simplified gives 35/8
- So, 12/32 + 84/21 = 35/8
In mixed form: 43/8
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