Add 12/70 and 90/60
1st number: 12/70, 2nd number: 1 30/60
12/70 + 90/60 is 117/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
12/70 = 12 × 6/70 × 6 = 72/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Add the two like fractions:
72/420 + 630/420 = 72 + 630/420 = 702/420 - 702/420 simplified gives 117/70
- So, 12/70 + 90/60 = 117/70
In mixed form: 147/70
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