Add 72/15 and 45/48
1st number: 4 12/15, 2nd number: 45/48
72/15 + 45/48 is 459/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
72/15 = 72 × 16/15 × 16 = 1152/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
45/48 = 45 × 5/48 × 5 = 225/240 - Add the two like fractions:
1152/240 + 225/240 = 1152 + 225/240 = 1377/240 - 1377/240 simplified gives 459/80
- So, 72/15 + 45/48 = 459/80
In mixed form: 559/80
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