Add 18/40 and 42/9
1st number: 18/40, 2nd number: 4 6/9
18/40 + 42/9 is 307/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
18/40 = 18 × 9/40 × 9 = 162/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
42/9 = 42 × 40/9 × 40 = 1680/360 - Add the two like fractions:
162/360 + 1680/360 = 162 + 1680/360 = 1842/360 - 1842/360 simplified gives 307/60
- So, 18/40 + 42/9 = 307/60
In mixed form: 57/60
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