Add 90/7 and 98/80
1st number: 12 6/7, 2nd number: 1 18/80
90/7 + 98/80 is 3943/280.
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,
98/80 = 98 × 7/80 × 7 = 686/560 - Add the two like fractions:
7200/560 + 686/560 = 7200 + 686/560 = 7886/560 - 7886/560 simplified gives 3943/280
- So, 90/7 + 98/80 = 3943/280
In mixed form: 1423/280
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