Add 1/20 and 45/90
1/20 + 45/90 is 11/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
45/90 = 45 × 2/90 × 2 = 90/180 - Add the two like fractions:
9/180 + 90/180 = 9 + 90/180 = 99/180 - 99/180 simplified gives 11/20
- So, 1/20 + 45/90 = 11/20
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