Add 18/30 and 42/7
1st number: 18/30, 2nd number: 6 0/7
18/30 + 42/7 is 33/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
42/7 = 42 × 30/7 × 30 = 1260/210 - Add the two like fractions:
126/210 + 1260/210 = 126 + 1260/210 = 1386/210 - 1386/210 simplified gives 33/5
- So, 18/30 + 42/7 = 33/5
In mixed form: 63/5
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