Add 18/45 and 3/24
18/45 + 3/24 is 21/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
18/45 = 18 × 8/45 × 8 = 144/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
3/24 = 3 × 15/24 × 15 = 45/360 - Add the two like fractions:
144/360 + 45/360 = 144 + 45/360 = 189/360 - 189/360 simplified gives 21/40
- So, 18/45 + 3/24 = 21/40
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