Add 30/90 and 18/14
1st number: 30/90, 2nd number: 1 4/14
30/90 + 18/14 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
18/14 = 18 × 45/14 × 45 = 810/630 - Add the two like fractions:
210/630 + 810/630 = 210 + 810/630 = 1020/630 - 1020/630 simplified gives 34/21
- So, 30/90 + 18/14 = 34/21
In mixed form: 113/21
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