Add 28/45 and 24/21
1st number: 28/45, 2nd number: 1 3/21
28/45 + 24/21 is 556/315.
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,
24/21 = 24 × 15/21 × 15 = 360/315 - Add the two like fractions:
196/315 + 360/315 = 196 + 360/315 = 556/315 - So, 28/45 + 24/21 = 556/315
In mixed form: 1241/315
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