Add 16/20 and 28/72
16/20 + 28/72 is 107/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
16/20 = 16 × 18/20 × 18 = 288/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
28/72 = 28 × 5/72 × 5 = 140/360 - Add the two like fractions:
288/360 + 140/360 = 288 + 140/360 = 428/360 - 428/360 simplified gives 107/90
- So, 16/20 + 28/72 = 107/90
In mixed form: 117/90
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