Add 15/30 and 72/63
1st number: 15/30, 2nd number: 1 9/63
15/30 + 72/63 is 23/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
15/30 = 15 × 21/30 × 21 = 315/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630 - Add the two like fractions:
315/630 + 720/630 = 315 + 720/630 = 1035/630 - 1035/630 simplified gives 23/14
- So, 15/30 + 72/63 = 23/14
In mixed form: 19/14
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