Add 70/72 and 50/90
70/72 + 50/90 is 55/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
50/90 = 50 × 4/90 × 4 = 200/360 - Add the two like fractions:
350/360 + 200/360 = 350 + 200/360 = 550/360 - 550/360 simplified gives 55/36
- So, 70/72 + 50/90 = 55/36
In mixed form: 119/36
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