Add 2/10 and 18/90
2/10 + 18/90 is 2/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
2/10 = 2 × 9/10 × 9 = 18/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Add the two like fractions:
18/90 + 18/90 = 18 + 18/90 = 36/90 - 36/90 simplified gives 2/5
- So, 2/10 + 18/90 = 2/5
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