Add 18/35 and 63/90
18/35 + 63/90 is 17/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
18/35 = 18 × 18/35 × 18 = 324/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Add the two like fractions:
324/630 + 441/630 = 324 + 441/630 = 765/630 - 765/630 simplified gives 17/14
- So, 18/35 + 63/90 = 17/14
In mixed form: 13/14
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