Add 45/60 and 72/7
1st number: 45/60, 2nd number: 10 2/7
45/60 + 72/7 is 309/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
45/60 = 45 × 7/60 × 7 = 315/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
72/7 = 72 × 60/7 × 60 = 4320/420 - Add the two like fractions:
315/420 + 4320/420 = 315 + 4320/420 = 4635/420 - 4635/420 simplified gives 309/28
- So, 45/60 + 72/7 = 309/28
In mixed form: 111/28
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