Add 28/40 and 9/60
28/40 + 9/60 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
28/40 = 28 × 3/40 × 3 = 84/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
9/60 = 9 × 2/60 × 2 = 18/120 - Add the two like fractions:
84/120 + 18/120 = 84 + 18/120 = 102/120 - 102/120 simplified gives 17/20
- So, 28/40 + 9/60 = 17/20
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