Add 9/60 and 72/70
1st number: 9/60, 2nd number: 1 2/70
9/60 + 72/70 is 33/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
72/70 = 72 × 6/70 × 6 = 432/420 - Add the two like fractions:
63/420 + 432/420 = 63 + 432/420 = 495/420 - 495/420 simplified gives 33/28
- So, 9/60 + 72/70 = 33/28
In mixed form: 15/28
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