Add 48/72 and 18/90
48/72 + 18/90 is 13/15.
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,
48/72 = 48 × 5/72 × 5 = 240/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
18/90 = 18 × 4/90 × 4 = 72/360 - Add the two like fractions:
240/360 + 72/360 = 240 + 72/360 = 312/360 - 312/360 simplified gives 13/15
- So, 48/72 + 18/90 = 13/15
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