Add 84/15 and 70/63
1st number: 5 9/15, 2nd number: 1 7/63
84/15 + 70/63 is 302/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
84/15 = 84 × 21/15 × 21 = 1764/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Add the two like fractions:
1764/315 + 350/315 = 1764 + 350/315 = 2114/315 - 2114/315 simplified gives 302/45
- So, 84/15 + 70/63 = 302/45
In mixed form: 632/45
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