Add 30/60 and 70/7
1st number: 30/60, 2nd number: 10 0/7
30/60 + 70/7 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
70/7 = 70 × 60/7 × 60 = 4200/420 - Add the two like fractions:
210/420 + 4200/420 = 210 + 4200/420 = 4410/420 - 4410/420 simplified gives 21/2
- So, 30/60 + 70/7 = 21/2
In mixed form: 101/2
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