Add 40/48 and 9/42
40/48 + 9/42 is 22/21.
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,
40/48 = 40 × 7/48 × 7 = 280/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
9/42 = 9 × 8/42 × 8 = 72/336 - Add the two like fractions:
280/336 + 72/336 = 280 + 72/336 = 352/336 - 352/336 simplified gives 22/21
- So, 40/48 + 9/42 = 22/21
In mixed form: 11/21
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