Add 90/14 and 45/80
1st number: 6 6/14, 2nd number: 45/80
90/14 + 45/80 is 783/112.
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,
45/80 = 45 × 7/80 × 7 = 315/560 - Add the two like fractions:
3600/560 + 315/560 = 3600 + 315/560 = 3915/560 - 3915/560 simplified gives 783/112
- So, 90/14 + 45/80 = 783/112
In mixed form: 6111/112
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