Add 72/63 and 20/8
1st number: 1 9/63, 2nd number: 2 4/8
72/63 + 20/8 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
72/63 = 72 × 8/63 × 8 = 576/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
20/8 = 20 × 63/8 × 63 = 1260/504 - Add the two like fractions:
576/504 + 1260/504 = 576 + 1260/504 = 1836/504 - 1836/504 simplified gives 51/14
- So, 72/63 + 20/8 = 51/14
In mixed form: 39/14
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