Add 18/63 and 45/30
1st number: 18/63, 2nd number: 1 15/30
18/63 + 45/30 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
18/63 = 18 × 10/63 × 10 = 180/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
45/30 = 45 × 21/30 × 21 = 945/630 - Add the two like fractions:
180/630 + 945/630 = 180 + 945/630 = 1125/630 - 1125/630 simplified gives 25/14
- So, 18/63 + 45/30 = 25/14
In mixed form: 111/14
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