Add 45/72 and 80/63
1st number: 45/72, 2nd number: 1 17/63
45/72 + 80/63 is 955/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
45/72 = 45 × 7/72 × 7 = 315/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
80/63 = 80 × 8/63 × 8 = 640/504 - Add the two like fractions:
315/504 + 640/504 = 315 + 640/504 = 955/504 - So, 45/72 + 80/63 = 955/504
In mixed form: 1451/504
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