Add 16/42 and 21/30
16/42 + 21/30 is 227/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 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 30 × 7 = 210,
21/30 = 21 × 7/30 × 7 = 147/210 - Add the two like fractions:
80/210 + 147/210 = 80 + 147/210 = 227/210 - So, 16/42 + 21/30 = 227/210
In mixed form: 117/210
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