Add 42/2 and 9/30
1st number: 21 0/2, 2nd number: 9/30
42/2 + 9/30 is 213/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
42/2 = 42 × 15/2 × 15 = 630/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Add the two like fractions:
630/30 + 9/30 = 630 + 9/30 = 639/30 - 639/30 simplified gives 213/10
- So, 42/2 + 9/30 = 213/10
In mixed form: 213/10
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