Add 25/63 and 28/45
25/63 + 28/45 is 107/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
25/63 = 25 × 5/63 × 5 = 125/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
28/45 = 28 × 7/45 × 7 = 196/315 - Add the two like fractions:
125/315 + 196/315 = 125 + 196/315 = 321/315 - 321/315 simplified gives 107/105
- So, 25/63 + 28/45 = 107/105
In mixed form: 12/105
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