Add 98/80 and 90/45
1st number: 1 18/80, 2nd number: 2 0/45
98/80 + 90/45 is 129/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 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 45 × 16 = 720,
90/45 = 90 × 16/45 × 16 = 1440/720 - Add the two like fractions:
882/720 + 1440/720 = 882 + 1440/720 = 2322/720 - 2322/720 simplified gives 129/40
- So, 98/80 + 90/45 = 129/40
In mixed form: 39/40
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