Add 15/42 and 30/48
15/42 + 30/48 is 55/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
15/42 = 15 × 8/42 × 8 = 120/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
30/48 = 30 × 7/48 × 7 = 210/336 - Add the two like fractions:
120/336 + 210/336 = 120 + 210/336 = 330/336 - 330/336 simplified gives 55/56
- So, 15/42 + 30/48 = 55/56
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