Add 28/45 and 6/21
28/45 + 6/21 is 286/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
28/45 = 28 × 7/45 × 7 = 196/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
6/21 = 6 × 15/21 × 15 = 90/315 - Add the two like fractions:
196/315 + 90/315 = 196 + 90/315 = 286/315 - So, 28/45 + 6/21 = 286/315
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