Add 9/63 and 9/45
9/63 + 9/45 is 12/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
9/63 = 9 × 5/63 × 5 = 45/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
9/45 = 9 × 7/45 × 7 = 63/315 - Add the two like fractions:
45/315 + 63/315 = 45 + 63/315 = 108/315 - 108/315 simplified gives 12/35
- So, 9/63 + 9/45 = 12/35
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