Add 18/21 and 42/32
1st number: 18/21, 2nd number: 1 10/32
18/21 + 42/32 is 243/112.
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,
18/21 = 18 × 32/21 × 32 = 576/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
42/32 = 42 × 21/32 × 21 = 882/672 - Add the two like fractions:
576/672 + 882/672 = 576 + 882/672 = 1458/672 - 1458/672 simplified gives 243/112
- So, 18/21 + 42/32 = 243/112
In mixed form: 219/112
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