Add 32/45 and 20/72
32/45 + 20/72 is 89/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
32/45 = 32 × 8/45 × 8 = 256/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Add the two like fractions:
256/360 + 100/360 = 256 + 100/360 = 356/360 - 356/360 simplified gives 89/90
- So, 32/45 + 20/72 = 89/90
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