Add 40/42 and 2/15
40/42 + 2/15 is 38/35.
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,
2/15 = 2 × 14/15 × 14 = 28/210 - Add the two like fractions:
200/210 + 28/210 = 200 + 28/210 = 228/210 - 228/210 simplified gives 38/35
- So, 40/42 + 2/15 = 38/35
In mixed form: 13/35
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