Add 25/45 and 40/63
25/45 + 40/63 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
25/45 = 25 × 7/45 × 7 = 175/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
40/63 = 40 × 5/63 × 5 = 200/315 - Add the two like fractions:
175/315 + 200/315 = 175 + 200/315 = 375/315 - 375/315 simplified gives 25/21
- So, 25/45 + 40/63 = 25/21
In mixed form: 14/21
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