Add 90/75 and 20/18
1st number: 1 15/75, 2nd number: 1 2/18
90/75 + 20/18 is 104/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
90/75 = 90 × 6/75 × 6 = 540/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450 - Add the two like fractions:
540/450 + 500/450 = 540 + 500/450 = 1040/450 - 1040/450 simplified gives 104/45
- So, 90/75 + 20/18 = 104/45
In mixed form: 214/45
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