Add 18/63 and 36/70
18/63 + 36/70 is 4/5.
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,
18/63 = 18 × 10/63 × 10 = 180/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
36/70 = 36 × 9/70 × 9 = 324/630 - Add the two like fractions:
180/630 + 324/630 = 180 + 324/630 = 504/630 - 504/630 simplified gives 4/5
- So, 18/63 + 36/70 = 4/5
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