Add 98/80 and 63/90
1st number: 1 18/80, 2nd number: 63/90
98/80 + 63/90 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
98/80 = 98 × 9/80 × 9 = 882/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
63/90 = 63 × 8/90 × 8 = 504/720 - Add the two like fractions:
882/720 + 504/720 = 882 + 504/720 = 1386/720 - 1386/720 simplified gives 77/40
- So, 98/80 + 63/90 = 77/40
In mixed form: 137/40
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