Add 80/63 and 5/45
1st number: 1 17/63, 2nd number: 5/45
80/63 + 5/45 is 29/21.
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,
80/63 = 80 × 5/63 × 5 = 400/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
5/45 = 5 × 7/45 × 7 = 35/315 - Add the two like fractions:
400/315 + 35/315 = 400 + 35/315 = 435/315 - 435/315 simplified gives 29/21
- So, 80/63 + 5/45 = 29/21
In mixed form: 18/21
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