Add 90/14 and 81/80
1st number: 6 6/14, 2nd number: 1 1/80
90/14 + 81/80 is 4167/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
90/14 = 90 × 40/14 × 40 = 3600/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
81/80 = 81 × 7/80 × 7 = 567/560 - Add the two like fractions:
3600/560 + 567/560 = 3600 + 567/560 = 4167/560 - So, 90/14 + 81/80 = 4167/560
In mixed form: 7247/560
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