Add 72/28 and 63/60
1st number: 2 16/28, 2nd number: 1 3/60
72/28 + 63/60 is 507/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
72/28 = 72 × 15/28 × 15 = 1080/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
63/60 = 63 × 7/60 × 7 = 441/420 - Add the two like fractions:
1080/420 + 441/420 = 1080 + 441/420 = 1521/420 - 1521/420 simplified gives 507/140
- So, 72/28 + 63/60 = 507/140
In mixed form: 387/140
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