Add 81/3 and 90/63
1st number: 27 0/3, 2nd number: 1 27/63
81/3 + 90/63 is 199/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
81/3 = 81 × 21/3 × 21 = 1701/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Add the two like fractions:
1701/63 + 90/63 = 1701 + 90/63 = 1791/63 - 1791/63 simplified gives 199/7
- So, 81/3 + 90/63 = 199/7
In mixed form: 283/7
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