Add 90/8 and 8/42
1st number: 11 2/8, 2nd number: 8/42
90/8 + 8/42 is 961/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
90/8 = 90 × 21/8 × 21 = 1890/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
8/42 = 8 × 4/42 × 4 = 32/168 - Add the two like fractions:
1890/168 + 32/168 = 1890 + 32/168 = 1922/168 - 1922/168 simplified gives 961/84
- So, 90/8 + 8/42 = 961/84
In mixed form: 1137/84
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