Add 72/30 and 4/84
1st number: 2 12/30, 2nd number: 4/84
72/30 + 4/84 is 257/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
72/30 = 72 × 14/30 × 14 = 1008/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Add the two like fractions:
1008/420 + 20/420 = 1008 + 20/420 = 1028/420 - 1028/420 simplified gives 257/105
- So, 72/30 + 4/84 = 257/105
In mixed form: 247/105
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