Add 70/60 and 18/72
1st number: 1 10/60, 2nd number: 18/72
70/60 + 18/72 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
70/60 = 70 × 6/60 × 6 = 420/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Add the two like fractions:
420/360 + 90/360 = 420 + 90/360 = 510/360 - 510/360 simplified gives 17/12
- So, 70/60 + 18/72 = 17/12
In mixed form: 15/12
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