Add 72/90 and 3/63
72/90 + 3/63 is 89/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
3/63 = 3 × 10/63 × 10 = 30/630 - Add the two like fractions:
504/630 + 30/630 = 504 + 30/630 = 534/630 - 534/630 simplified gives 89/105
- So, 72/90 + 3/63 = 89/105
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