Add 9/3 and 15/21
1st number: 3 0/3, 2nd number: 15/21
93 + 1521 is 267.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
93 = 9 × 73 × 7 = 6321 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
1521 = 15 × 121 × 1 = 1521 - Add the two like fractions:
6321 + 1521 = 63 + 1521 = 7821 - 78/21 simplified gives 267
- So, 9/3 + 15/21 = 26/7
In mixed form: 357
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