Add 60/4 and 72/21
1st number: 15 0/4, 2nd number: 3 9/21
60/4 + 72/21 is 129/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
60/4 = 60 × 21/4 × 21 = 1260/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
72/21 = 72 × 4/21 × 4 = 288/84 - Add the two like fractions:
1260/84 + 288/84 = 1260 + 288/84 = 1548/84 - 1548/84 simplified gives 129/7
- So, 60/4 + 72/21 = 129/7
In mixed form: 183/7
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