Add 30/80 and 90/14
1st number: 30/80, 2nd number: 6 6/14
30/80 + 90/14 is 381/56.
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,
30/80 = 30 × 7/80 × 7 = 210/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
90/14 = 90 × 40/14 × 40 = 3600/560 - Add the two like fractions:
210/560 + 3600/560 = 210 + 3600/560 = 3810/560 - 3810/560 simplified gives 381/56
- So, 30/80 + 90/14 = 381/56
In mixed form: 645/56
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