Add 90/5 and 15/45
1st number: 18 0/5, 2nd number: 15/45
90/5 + 15/45 is 55/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 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 45 × 1 = 45,
15/45 = 15 × 1/45 × 1 = 15/45 - Add the two like fractions:
810/45 + 15/45 = 810 + 15/45 = 825/45 - 825/45 simplified gives 55/3
- So, 90/5 + 15/45 = 55/3
In mixed form: 181/3
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