Add 42/18 and 90/8
1st number: 2 6/18, 2nd number: 11 2/8
42/18 + 90/8 is 163/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
42/18 = 42 × 4/18 × 4 = 168/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Add the two like fractions:
168/72 + 810/72 = 168 + 810/72 = 978/72 - 978/72 simplified gives 163/12
- So, 42/18 + 90/8 = 163/12
In mixed form: 137/12
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