Add 84/21 and 30/32
1st number: 4 0/21, 2nd number: 30/32
84/21 + 30/32 is 79/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
84/21 = 84 × 32/21 × 32 = 2688/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Add the two like fractions:
2688/672 + 630/672 = 2688 + 630/672 = 3318/672 - 3318/672 simplified gives 79/16
- So, 84/21 + 30/32 = 79/16
In mixed form: 415/16
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