Add 4/90 and 21/25
4/90 + 21/25 is 199/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
4/90 = 4 × 5/90 × 5 = 20/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
21/25 = 21 × 18/25 × 18 = 378/450 - Add the two like fractions:
20/450 + 378/450 = 20 + 378/450 = 398/450 - 398/450 simplified gives 199/225
- So, 4/90 + 21/25 = 199/225
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