Add 28/63 and 18/30
28/63 + 18/30 is 47/45.
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,
28/63 = 28 × 10/63 × 10 = 280/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
18/30 = 18 × 21/30 × 21 = 378/630 - Add the two like fractions:
280/630 + 378/630 = 280 + 378/630 = 658/630 - 658/630 simplified gives 47/45
- So, 28/63 + 18/30 = 47/45
In mixed form: 12/45
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