Add 1/63 and 1/45
1/63 + 1/45 is 4/105.
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,
1/63 = 1 × 5/63 × 5 = 5/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Add the two like fractions:
5/315 + 7/315 = 5 + 7/315 = 12/315 - 12/315 simplified gives 4/105
- So, 1/63 + 1/45 = 4/105
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