Add 7/80 and 9/90
7/80 + 9/90 is 3/16.
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,
7/80 = 7 × 9/80 × 9 = 63/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
9/90 = 9 × 8/90 × 8 = 72/720 - Add the two like fractions:
63/720 + 72/720 = 63 + 72/720 = 135/720 - 135/720 simplified gives 3/16
- So, 7/80 + 9/90 = 3/16
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