Add 72/14 and 28/30
1st number: 5 2/14, 2nd number: 28/30
72/14 + 28/30 is 638/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
72/14 = 72 × 15/14 × 15 = 1080/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Add the two like fractions:
1080/210 + 196/210 = 1080 + 196/210 = 1276/210 - 1276/210 simplified gives 638/105
- So, 72/14 + 28/30 = 638/105
In mixed form: 68/105
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