Add 70/72 and 12/20
70/72 + 12/20 is 283/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
12/20 = 12 × 18/20 × 18 = 216/360 - Add the two like fractions:
350/360 + 216/360 = 350 + 216/360 = 566/360 - 566/360 simplified gives 283/180
- So, 70/72 + 12/20 = 283/180
In mixed form: 1103/180
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