Add 20/42 and 90/32
1st number: 20/42, 2nd number: 2 26/32
20/42 + 90/32 is 1105/336.
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,
20/42 = 20 × 16/42 × 16 = 320/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
90/32 = 90 × 21/32 × 21 = 1890/672 - Add the two like fractions:
320/672 + 1890/672 = 320 + 1890/672 = 2210/672 - 2210/672 simplified gives 1105/336
- So, 20/42 + 90/32 = 1105/336
In mixed form: 397/336
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