Add 16/42 and 45/15
1st number: 16/42, 2nd number: 3 0/15
16/42 + 45/15 is 71/21.
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,
16/42 = 16 × 5/42 × 5 = 80/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
45/15 = 45 × 14/15 × 14 = 630/210 - Add the two like fractions:
80/210 + 630/210 = 80 + 630/210 = 710/210 - 710/210 simplified gives 71/21
- So, 16/42 + 45/15 = 71/21
In mixed form: 38/21
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