Add 54/63 and 20/35
54/63 + 20/35 is 10/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
54/63 = 54 × 5/63 × 5 = 270/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
20/35 = 20 × 9/35 × 9 = 180/315 - Add the two like fractions:
270/315 + 180/315 = 270 + 180/315 = 450/315 - 450/315 simplified gives 10/7
- So, 54/63 + 20/35 = 10/7
In mixed form: 13/7
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