Add 16/20 and 42/72
16/20 + 42/72 is 83/60.
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,
42/72 = 42 × 5/72 × 5 = 210/360 - Add the two like fractions:
288/360 + 210/360 = 288 + 210/360 = 498/360 - 498/360 simplified gives 83/60
- So, 16/20 + 42/72 = 83/60
In mixed form: 123/60
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