Add 18/7 and 15/60
1st number: 2 4/7, 2nd number: 15/60
18/7 + 15/60 is 79/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
18/7 = 18 × 60/7 × 60 = 1080/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
15/60 = 15 × 7/60 × 7 = 105/420 - Add the two like fractions:
1080/420 + 105/420 = 1080 + 105/420 = 1185/420 - 1185/420 simplified gives 79/28
- So, 18/7 + 15/60 = 79/28
In mixed form: 223/28
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