Add 30/70 and 15/63
30/70 + 15/63 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
30/70 = 30 × 9/70 × 9 = 270/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
15/63 = 15 × 10/63 × 10 = 150/630 - Add the two like fractions:
270/630 + 150/630 = 270 + 150/630 = 420/630 - 420/630 simplified gives 2/3
- So, 30/70 + 15/63 = 2/3
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