Add 81/14 and 45/72
1st number: 5 11/14, 2nd number: 45/72
81/14 + 45/72 is 359/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
81/14 = 81 × 36/14 × 36 = 2916/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
45/72 = 45 × 7/72 × 7 = 315/504 - Add the two like fractions:
2916/504 + 315/504 = 2916 + 315/504 = 3231/504 - 3231/504 simplified gives 359/56
- So, 81/14 + 45/72 = 359/56
In mixed form: 623/56
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