Add 81/90 and 24/63
81/90 + 24/63 is 269/210.
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,
81/90 = 81 × 7/90 × 7 = 567/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
24/63 = 24 × 10/63 × 10 = 240/630 - Add the two like fractions:
567/630 + 240/630 = 567 + 240/630 = 807/630 - 807/630 simplified gives 269/210
- So, 81/90 + 24/63 = 269/210
In mixed form: 159/210
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