Add 18/42 and 90/64
1st number: 18/42, 2nd number: 1 26/64
18/42 + 90/64 is 411/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 42 × 32 = 1344,
18/42 = 18 × 32/42 × 32 = 576/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
90/64 = 90 × 21/64 × 21 = 1890/1344 - Add the two like fractions:
576/1344 + 1890/1344 = 576 + 1890/1344 = 2466/1344 - 2466/1344 simplified gives 411/224
- So, 18/42 + 90/64 = 411/224
In mixed form: 1187/224
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