Add 54/21 and 30/32
1st number: 2 12/21, 2nd number: 30/32
54/21 + 30/32 is 393/112.
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,
54/21 = 54 × 32/21 × 32 = 1728/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Add the two like fractions:
1728/672 + 630/672 = 1728 + 630/672 = 2358/672 - 2358/672 simplified gives 393/112
- So, 54/21 + 30/32 = 393/112
In mixed form: 357/112
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