Add 72/48 and 45/42
1st number: 1 24/48, 2nd number: 1 3/42
72/48 + 45/42 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
72/48 = 72 × 7/48 × 7 = 504/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
45/42 = 45 × 8/42 × 8 = 360/336 - Add the two like fractions:
504/336 + 360/336 = 504 + 360/336 = 864/336 - 864/336 simplified gives 18/7
- So, 72/48 + 45/42 = 18/7
In mixed form: 24/7
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