Add 28/45 and 15/7
1st number: 28/45, 2nd number: 2 1/7
28/45 + 15/7 is 871/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 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 7 × 45 = 315,
15/7 = 15 × 45/7 × 45 = 675/315 - Add the two like fractions:
196/315 + 675/315 = 196 + 675/315 = 871/315 - So, 28/45 + 15/7 = 871/315
In mixed form: 2241/315
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