Add 40/42 and 1/15
40/42 + 1/15 is 107/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
40/42 = 40 × 5/42 × 5 = 200/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
1/15 = 1 × 14/15 × 14 = 14/210 - Add the two like fractions:
200/210 + 14/210 = 200 + 14/210 = 214/210 - 214/210 simplified gives 107/105
- So, 40/42 + 1/15 = 107/105
In mixed form: 12/105
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