Add 90/7 and 7/80
1st number: 12 6/7, 2nd number: 7/80
90/7 + 7/80 is 7249/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
90/7 = 90 × 80/7 × 80 = 7200/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Add the two like fractions:
7200/560 + 49/560 = 7200 + 49/560 = 7249/560 - So, 90/7 + 7/80 = 7249/560
In mixed form: 12529/560
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