Add 90/25 and 20/90
1st number: 3 15/25, 2nd number: 20/90
90/25 + 20/90 is 172/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
90/25 = 90 × 18/25 × 18 = 1620/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
20/90 = 20 × 5/90 × 5 = 100/450 - Add the two like fractions:
1620/450 + 100/450 = 1620 + 100/450 = 1720/450 - 1720/450 simplified gives 172/45
- So, 90/25 + 20/90 = 172/45
In mixed form: 337/45
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