Add 16/42 and 90/70
1st number: 16/42, 2nd number: 1 20/70
16/42 + 90/70 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 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 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
80/210 + 270/210 = 80 + 270/210 = 350/210 - 350/210 simplified gives 5/3
- So, 16/42 + 90/70 = 5/3
In mixed form: 12/3
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