Add 90/14 and 72/80
1st number: 6 6/14, 2nd number: 72/80
90/14 + 72/80 is 513/70.
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,
72/80 = 72 × 7/80 × 7 = 504/560 - Add the two like fractions:
3600/560 + 504/560 = 3600 + 504/560 = 4104/560 - 4104/560 simplified gives 513/70
- So, 90/14 + 72/80 = 513/70
In mixed form: 723/70
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