Add 45/18 and 75/40
1st number: 2 9/18, 2nd number: 1 35/40
45/18 + 75/40 is 35/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
45/18 = 45 × 20/18 × 20 = 900/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
75/40 = 75 × 9/40 × 9 = 675/360 - Add the two like fractions:
900/360 + 675/360 = 900 + 675/360 = 1575/360 - 1575/360 simplified gives 35/8
- So, 45/18 + 75/40 = 35/8
In mixed form: 43/8
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