Add 54/21 and 6/45
1st number: 2 12/21, 2nd number: 6/45
54/21 + 6/45 is 284/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
54/21 = 54 × 15/21 × 15 = 810/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
6/45 = 6 × 7/45 × 7 = 42/315 - Add the two like fractions:
810/315 + 42/315 = 810 + 42/315 = 852/315 - 852/315 simplified gives 284/105
- So, 54/21 + 6/45 = 284/105
In mixed form: 274/105
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