Add 45/49 and 40/80
45/49 + 40/80 is 139/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
45/49 = 45 × 80/49 × 80 = 3600/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
40/80 = 40 × 49/80 × 49 = 1960/3920 - Add the two like fractions:
3600/3920 + 1960/3920 = 3600 + 1960/3920 = 5560/3920 - 5560/3920 simplified gives 139/98
- So, 45/49 + 40/80 = 139/98
In mixed form: 141/98
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