Add 90/42 and 18/32
1st number: 2 6/42, 2nd number: 18/32
90/42 + 18/32 is 303/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
90/42 = 90 × 16/42 × 16 = 1440/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
18/32 = 18 × 21/32 × 21 = 378/672 - Add the two like fractions:
1440/672 + 378/672 = 1440 + 378/672 = 1818/672 - 1818/672 simplified gives 303/112
- So, 90/42 + 18/32 = 303/112
In mixed form: 279/112
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