Add 90/84 and 40/48
1st number: 1 6/84, 2nd number: 40/48
90/84 + 40/48 is 40/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
90/84 = 90 × 4/84 × 4 = 360/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
40/48 = 40 × 7/48 × 7 = 280/336 - Add the two like fractions:
360/336 + 280/336 = 360 + 280/336 = 640/336 - 640/336 simplified gives 40/21
- So, 90/84 + 40/48 = 40/21
In mixed form: 119/21
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