Add 45/6 and 72/21
1st number: 7 3/6, 2nd number: 3 9/21
45/6 + 72/21 is 153/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
45/6 = 45 × 7/6 × 7 = 315/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
72/21 = 72 × 2/21 × 2 = 144/42 - Add the two like fractions:
315/42 + 144/42 = 315 + 144/42 = 459/42 - 459/42 simplified gives 153/14
- So, 45/6 + 72/21 = 153/14
In mixed form: 1013/14
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