Add 32/40 and 21/45
32/40 + 21/45 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
32/40 = 32 × 9/40 × 9 = 288/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
21/45 = 21 × 8/45 × 8 = 168/360 - Add the two like fractions:
288/360 + 168/360 = 288 + 168/360 = 456/360 - 456/360 simplified gives 19/15
- So, 32/40 + 21/45 = 19/15
In mixed form: 14/15
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