Add 21/14 and 70/60
1st number: 1 7/14, 2nd number: 1 10/60
21/14 + 70/60 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
21/14 = 21 × 30/14 × 30 = 630/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Add the two like fractions:
630/420 + 490/420 = 630 + 490/420 = 1120/420 - 1120/420 simplified gives 8/3
- So, 21/14 + 70/60 = 8/3
In mixed form: 22/3
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