Add 18/15 and 4/42
1st number: 1 3/15, 2nd number: 4/42
18/15 + 4/42 is 136/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
18/15 = 18 × 14/15 × 14 = 252/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
4/42 = 4 × 5/42 × 5 = 20/210 - Add the two like fractions:
252/210 + 20/210 = 252 + 20/210 = 272/210 - 272/210 simplified gives 136/105
- So, 18/15 + 4/42 = 136/105
In mixed form: 131/105
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