Add 54/15 and 9/28
1st number: 3 9/15, 2nd number: 9/28
54/15 + 9/28 is 549/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
54/15 = 54 × 28/15 × 28 = 1512/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
9/28 = 9 × 15/28 × 15 = 135/420 - Add the two like fractions:
1512/420 + 135/420 = 1512 + 135/420 = 1647/420 - 1647/420 simplified gives 549/140
- So, 54/15 + 9/28 = 549/140
In mixed form: 3129/140
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