Add 54/90 and 40/63
54/90 + 40/63 is 389/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
54/90 = 54 × 7/90 × 7 = 378/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
40/63 = 40 × 10/63 × 10 = 400/630 - Add the two like fractions:
378/630 + 400/630 = 378 + 400/630 = 778/630 - 778/630 simplified gives 389/315
- So, 54/90 + 40/63 = 389/315
In mixed form: 174/315
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