Add 20/45 and 7/63
20/45 + 7/63 is 5/9.
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,
20/45 = 20 × 7/45 × 7 = 140/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315 - Add the two like fractions:
140/315 + 35/315 = 140 + 35/315 = 175/315 - 175/315 simplified gives 5/9
- So, 20/45 + 7/63 = 5/9
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