Add 72/63 and 9/20
1st number: 1 9/63, 2nd number: 9/20
72/63 + 9/20 is 223/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
72/63 = 72 × 20/63 × 20 = 1440/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
9/20 = 9 × 63/20 × 63 = 567/1260 - Add the two like fractions:
1440/1260 + 567/1260 = 1440 + 567/1260 = 2007/1260 - 2007/1260 simplified gives 223/140
- So, 72/63 + 9/20 = 223/140
In mixed form: 183/140
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