Add 28/63 and 72/15
1st number: 28/63, 2nd number: 4 12/15
28/63 + 72/15 is 236/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
28/63 = 28 × 5/63 × 5 = 140/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
72/15 = 72 × 21/15 × 21 = 1512/315 - Add the two like fractions:
140/315 + 1512/315 = 140 + 1512/315 = 1652/315 - 1652/315 simplified gives 236/45
- So, 28/63 + 72/15 = 236/45
In mixed form: 511/45
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