Add 45/25 and 20/90
1st number: 1 20/25, 2nd number: 20/90
45/25 + 20/90 is 91/45.
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,
45/25 = 45 × 18/25 × 18 = 810/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
20/90 = 20 × 5/90 × 5 = 100/450 - Add the two like fractions:
810/450 + 100/450 = 810 + 100/450 = 910/450 - 910/450 simplified gives 91/45
- So, 45/25 + 20/90 = 91/45
In mixed form: 21/45
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