Add 75/28 and 30/72
1st number: 2 19/28, 2nd number: 30/72
75/28 + 30/72 is 65/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
75/28 = 75 × 18/28 × 18 = 1350/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
30/72 = 30 × 7/72 × 7 = 210/504 - Add the two like fractions:
1350/504 + 210/504 = 1350 + 210/504 = 1560/504 - 1560/504 simplified gives 65/21
- So, 75/28 + 30/72 = 65/21
In mixed form: 32/21
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