Add 3/45 and 40/63
3/45 + 40/63 is 221/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
3/45 = 3 × 7/45 × 7 = 21/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
40/63 = 40 × 5/63 × 5 = 200/315 - Add the two like fractions:
21/315 + 200/315 = 21 + 200/315 = 221/315 - So, 3/45 + 40/63 = 221/315
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