Add 20/56 and 45/63
20/56 + 45/63 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
45/63 = 45 × 8/63 × 8 = 360/504 - Add the two like fractions:
180/504 + 360/504 = 180 + 360/504 = 540/504 - 540/504 simplified gives 15/14
- So, 20/56 + 45/63 = 15/14
In mixed form: 11/14
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