Add 72/7 and 90/60
1st number: 10 2/7, 2nd number: 1 30/60
72/7 + 90/60 is 165/14.
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,
72/7 = 72 × 60/7 × 60 = 4320/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Add the two like fractions:
4320/420 + 630/420 = 4320 + 630/420 = 4950/420 - 4950/420 simplified gives 165/14
- So, 72/7 + 90/60 = 165/14
In mixed form: 1111/14
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