Add 3/45 and 20/63
3/45 + 20/63 is 121/315.
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,
20/63 = 20 × 5/63 × 5 = 100/315 - Add the two like fractions:
21/315 + 100/315 = 21 + 100/315 = 121/315 - So, 3/45 + 20/63 = 121/315
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