Add 16/63 and 18/90
16/63 + 18/90 is 143/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
16/63 = 16 × 10/63 × 10 = 160/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
18/90 = 18 × 7/90 × 7 = 126/630 - Add the two like fractions:
160/630 + 126/630 = 160 + 126/630 = 286/630 - 286/630 simplified gives 143/315
- So, 16/63 + 18/90 = 143/315
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