Add 72/2 and 21/84
1st number: 36 0/2, 2nd number: 21/84
72/2 + 21/84 is 145/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
72/2 = 72 × 42/2 × 42 = 3024/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Add the two like fractions:
3024/84 + 21/84 = 3024 + 21/84 = 3045/84 - 3045/84 simplified gives 145/4
- So, 72/2 + 21/84 = 145/4
In mixed form: 361/4
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