Add 9/63 and 18/70
9/63 + 18/70 is 2/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
9/63 = 9 × 10/63 × 10 = 90/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
18/70 = 18 × 9/70 × 9 = 162/630 - Add the two like fractions:
90/630 + 162/630 = 90 + 162/630 = 252/630 - 252/630 simplified gives 2/5
- So, 9/63 + 18/70 = 2/5
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