Add 15/72 and 90/14
1st number: 15/72, 2nd number: 6 6/14
15/72 + 90/14 is 1115/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
90/14 = 90 × 36/14 × 36 = 3240/504 - Add the two like fractions:
105/504 + 3240/504 = 105 + 3240/504 = 3345/504 - 3345/504 simplified gives 1115/168
- So, 15/72 + 90/14 = 1115/168
In mixed form: 6107/168
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