Add 28/90 and 10/20
28/90 + 10/20 is 73/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
28/90 = 28 × 2/90 × 2 = 56/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Add the two like fractions:
56/180 + 90/180 = 56 + 90/180 = 146/180 - 146/180 simplified gives 73/90
- So, 28/90 + 10/20 = 73/90
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