Add 28/60 and 3/90
28/60 + 3/90 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
28/60 = 28 × 3/60 × 3 = 84/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
84/180 + 6/180 = 84 + 6/180 = 90/180 - 90/180 simplified gives 1/2
- So, 28/60 + 3/90 = 1/2
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