Add 15/40 and 40/18
1st number: 15/40, 2nd number: 2 4/18
15/40 + 40/18 is 187/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
15/40 = 15 × 9/40 × 9 = 135/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
40/18 = 40 × 20/18 × 20 = 800/360 - Add the two like fractions:
135/360 + 800/360 = 135 + 800/360 = 935/360 - 935/360 simplified gives 187/72
- So, 15/40 + 40/18 = 187/72
In mixed form: 243/72
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