Add 5/25 and 21/90
5/25 + 21/90 is 13/30.
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,
5/25 = 5 × 18/25 × 18 = 90/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
21/90 = 21 × 5/90 × 5 = 105/450 - Add the two like fractions:
90/450 + 105/450 = 90 + 105/450 = 195/450 - 195/450 simplified gives 13/30
- So, 5/25 + 21/90 = 13/30
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