Add 10/90 and 21/54
10/90 + 21/54 is 1/2.
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,
10/90 = 10 × 3/90 × 3 = 30/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
21/54 = 21 × 5/54 × 5 = 105/270 - Add the two like fractions:
30/270 + 105/270 = 30 + 105/270 = 135/270 - 135/270 simplified gives 1/2
- So, 10/90 + 21/54 = 1/2
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