Add 84/80 and 54/14
1st number: 1 4/80, 2nd number: 3 12/14
84/80 + 54/14 is 687/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
84/80 = 84 × 7/80 × 7 = 588/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
54/14 = 54 × 40/14 × 40 = 2160/560 - Add the two like fractions:
588/560 + 2160/560 = 588 + 2160/560 = 2748/560 - 2748/560 simplified gives 687/140
- So, 84/80 + 54/14 = 687/140
In mixed form: 4127/140
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