Add 18/63 and 15/70
18/63 + 15/70 is 1/2.
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,
18/63 = 18 × 10/63 × 10 = 180/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
15/70 = 15 × 9/70 × 9 = 135/630 - Add the two like fractions:
180/630 + 135/630 = 180 + 135/630 = 315/630 - 315/630 simplified gives 1/2
- So, 18/63 + 15/70 = 1/2
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