Add 90/5 and 42/9
1st number: 18 0/5, 2nd number: 4 6/9
90/5 + 42/9 is 68/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
90/5 = 90 × 9/5 × 9 = 810/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
42/9 = 42 × 5/9 × 5 = 210/45 - Add the two like fractions:
810/45 + 210/45 = 810 + 210/45 = 1020/45 - 1020/45 simplified gives 68/3
- So, 90/5 + 42/9 = 68/3
In mixed form: 222/3
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