Add 63/20 and 36/28
1st number: 3 3/20, 2nd number: 1 8/28
63/20 + 36/28 is 621/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
36/28 = 36 × 5/28 × 5 = 180/140 - Add the two like fractions:
441/140 + 180/140 = 441 + 180/140 = 621/140 - So, 63/20 + 36/28 = 621/140
In mixed form: 461/140
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