Add 18/45 and 12/40
18/45 + 12/40 is 7/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 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 40 × 9 = 360,
12/40 = 12 × 9/40 × 9 = 108/360 - Add the two like fractions:
144/360 + 108/360 = 144 + 108/360 = 252/360 - 252/360 simplified gives 7/10
- So, 18/45 + 12/40 = 7/10
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