Add 15/18 and 4/40
15/18 + 4/40 is 14/15.
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,
15/18 = 15 × 20/18 × 20 = 300/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Add the two like fractions:
300/360 + 36/360 = 300 + 36/360 = 336/360 - 336/360 simplified gives 14/15
- So, 15/18 + 4/40 = 14/15
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