Add 18/28 and 45/60
18/28 + 45/60 is 39/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
18/28 = 18 × 15/28 × 15 = 270/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
45/60 = 45 × 7/60 × 7 = 315/420 - Add the two like fractions:
270/420 + 315/420 = 270 + 315/420 = 585/420 - 585/420 simplified gives 39/28
- So, 18/28 + 45/60 = 39/28
In mixed form: 111/28
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