Add 40/60 and 90/84
1st number: 40/60, 2nd number: 1 6/84
40/60 + 90/84 is 73/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Add the two like fractions:
280/420 + 450/420 = 280 + 450/420 = 730/420 - 730/420 simplified gives 73/42
- So, 40/60 + 90/84 = 73/42
In mixed form: 131/42
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