Add 25/90 and 21/54
25/90 + 21/54 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
25/90 = 25 × 3/90 × 3 = 75/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
21/54 = 21 × 5/54 × 5 = 105/270 - Add the two like fractions:
75/270 + 105/270 = 75 + 105/270 = 180/270 - 180/270 simplified gives 2/3
- So, 25/90 + 21/54 = 2/3
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