Add 72/3 and 45/21
1st number: 24 0/3, 2nd number: 2 3/21
72/3 + 45/21 is 183/7.
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,
72/3 = 72 × 7/3 × 7 = 504/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
45/21 = 45 × 1/21 × 1 = 45/21 - Add the two like fractions:
504/21 + 45/21 = 504 + 45/21 = 549/21 - 549/21 simplified gives 183/7
- So, 72/3 + 45/21 = 183/7
In mixed form: 261/7
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