Add 40/80 and 7/49
40/80 + 7/49 is 9/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 49 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 80 × 49 = 3920,
40/80 = 40 × 49/80 × 49 = 1960/3920 - Likewise, for the 2nd fraction, since 49 × 80 = 3920,
7/49 = 7 × 80/49 × 80 = 560/3920 - Add the two like fractions:
1960/3920 + 560/3920 = 1960 + 560/3920 = 2520/3920 - 2520/3920 simplified gives 9/14
- So, 40/80 + 7/49 = 9/14
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