Add 30/72 and 81/56
1st number: 30/72, 2nd number: 1 25/56
30/72 + 81/56 is 313/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
30/72 = 30 × 7/72 × 7 = 210/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
81/56 = 81 × 9/56 × 9 = 729/504 - Add the two like fractions:
210/504 + 729/504 = 210 + 729/504 = 939/504 - 939/504 simplified gives 313/168
- So, 30/72 + 81/56 = 313/168
In mixed form: 1145/168
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