Add 2/70 and 80/60
1st number: 2/70, 2nd number: 1 20/60
2/70 + 80/60 is 143/105.
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,
2/70 = 2 × 6/70 × 6 = 12/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
80/60 = 80 × 7/60 × 7 = 560/420 - Add the two like fractions:
12/420 + 560/420 = 12 + 560/420 = 572/420 - 572/420 simplified gives 143/105
- So, 2/70 + 80/60 = 143/105
In mixed form: 138/105
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