Add 21/54 and 70/60
1st number: 21/54, 2nd number: 1 10/60
21/54 + 70/60 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
21/54 = 21 × 10/54 × 10 = 210/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
70/60 = 70 × 9/60 × 9 = 630/540 - Add the two like fractions:
210/540 + 630/540 = 210 + 630/540 = 840/540 - 840/540 simplified gives 14/9
- So, 21/54 + 70/60 = 14/9
In mixed form: 15/9
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