Add 20/63 and 80/45
1st number: 20/63, 2nd number: 1 35/45
20/63 + 80/45 is 44/21.
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,
20/63 = 20 × 5/63 × 5 = 100/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
80/45 = 80 × 7/45 × 7 = 560/315 - Add the two like fractions:
100/315 + 560/315 = 100 + 560/315 = 660/315 - 660/315 simplified gives 44/21
- So, 20/63 + 80/45 = 44/21
In mixed form: 22/21
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