Add 45/75 and 80/63
1st number: 45/75, 2nd number: 1 17/63
45/75 + 80/63 is 589/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
45/75 = 45 × 21/75 × 21 = 945/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
80/63 = 80 × 25/63 × 25 = 2000/1575 - Add the two like fractions:
945/1575 + 2000/1575 = 945 + 2000/1575 = 2945/1575 - 2945/1575 simplified gives 589/315
- So, 45/75 + 80/63 = 589/315
In mixed form: 1274/315
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