Add 63/7 and 90/80
1st number: 9 0/7, 2nd number: 1 10/80
63/7 + 90/80 is 81/8.
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,
63/7 = 63 × 80/7 × 80 = 5040/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
90/80 = 90 × 7/80 × 7 = 630/560 - Add the two like fractions:
5040/560 + 630/560 = 5040 + 630/560 = 5670/560 - 5670/560 simplified gives 81/8
- So, 63/7 + 90/80 = 81/8
In mixed form: 101/8
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