Add 15/7 and 84/45
1st number: 2 1/7, 2nd number: 1 39/45
15/7 + 84/45 is 421/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
15/7 = 15 × 45/7 × 45 = 675/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
84/45 = 84 × 7/45 × 7 = 588/315 - Add the two like fractions:
675/315 + 588/315 = 675 + 588/315 = 1263/315 - 1263/315 simplified gives 421/105
- So, 15/7 + 84/45 = 421/105
In mixed form: 41/105
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