Add 42/48 and 4/18
42/48 + 4/18 is 79/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
42/48 = 42 × 3/48 × 3 = 126/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
4/18 = 4 × 8/18 × 8 = 32/144 - Add the two like fractions:
126/144 + 32/144 = 126 + 32/144 = 158/144 - 158/144 simplified gives 79/72
- So, 42/48 + 4/18 = 79/72
In mixed form: 17/72
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