Add 25/30 and 54/63
25/30 + 54/63 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
25/30 = 25 × 21/30 × 21 = 525/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
54/63 = 54 × 10/63 × 10 = 540/630 - Add the two like fractions:
525/630 + 540/630 = 525 + 540/630 = 1065/630 - 1065/630 simplified gives 71/42
- So, 25/30 + 54/63 = 71/42
In mixed form: 129/42
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