Add 21/5 and 6/72
1st number: 4 1/5, 2nd number: 6/72
21/5 + 6/72 is 257/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
21/5 = 21 × 72/5 × 72 = 1512/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Add the two like fractions:
1512/360 + 30/360 = 1512 + 30/360 = 1542/360 - 1542/360 simplified gives 257/60
- So, 21/5 + 6/72 = 257/60
In mixed form: 417/60
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