Add 40/28 and 15/72
1st number: 1 12/28, 2nd number: 15/72
40/28 + 15/72 is 275/168.
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,
40/28 = 40 × 18/28 × 18 = 720/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Add the two like fractions:
720/504 + 105/504 = 720 + 105/504 = 825/504 - 825/504 simplified gives 275/168
- So, 40/28 + 15/72 = 275/168
In mixed form: 1107/168
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