Add 54/84 and 75/15
1st number: 54/84, 2nd number: 5 0/15
54/84 + 75/15 is 79/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
75/15 = 75 × 28/15 × 28 = 2100/420 - Add the two like fractions:
270/420 + 2100/420 = 270 + 2100/420 = 2370/420 - 2370/420 simplified gives 79/14
- So, 54/84 + 75/15 = 79/14
In mixed form: 59/14
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