Add 15/28 and 45/72
15/28 + 45/72 is 65/56.
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,
15/28 = 15 × 18/28 × 18 = 270/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
45/72 = 45 × 7/72 × 7 = 315/504 - Add the two like fractions:
270/504 + 315/504 = 270 + 315/504 = 585/504 - 585/504 simplified gives 65/56
- So, 15/28 + 45/72 = 65/56
In mixed form: 19/56
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