Add 14/80 and 81/45
1st number: 14/80, 2nd number: 1 36/45
14/80 + 81/45 is 79/40.
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,
14/80 = 14 × 9/80 × 9 = 126/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
81/45 = 81 × 16/45 × 16 = 1296/720 - Add the two like fractions:
126/720 + 1296/720 = 126 + 1296/720 = 1422/720 - 1422/720 simplified gives 79/40
- So, 14/80 + 81/45 = 79/40
In mixed form: 139/40
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