Add 80/90 and 35/72
80/90 + 35/72 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
80/90 = 80 × 4/90 × 4 = 320/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
35/72 = 35 × 5/72 × 5 = 175/360 - Add the two like fractions:
320/360 + 175/360 = 320 + 175/360 = 495/360 - 495/360 simplified gives 11/8
- So, 80/90 + 35/72 = 11/8
In mixed form: 13/8
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