Add 28/63 and 36/90
28/63 + 36/90 is 38/45.
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,
28/63 = 28 × 10/63 × 10 = 280/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
36/90 = 36 × 7/90 × 7 = 252/630 - Add the two like fractions:
280/630 + 252/630 = 280 + 252/630 = 532/630 - 532/630 simplified gives 38/45
- So, 28/63 + 36/90 = 38/45
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