Add 21/90 and 6/10
21/90 + 6/10 is 5/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
6/10 = 6 × 9/10 × 9 = 54/90 - Add the two like fractions:
21/90 + 54/90 = 21 + 54/90 = 75/90 - 75/90 simplified gives 5/6
- So, 21/90 + 6/10 = 5/6
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