Add 45/7 and 60/63
1st number: 6 3/7, 2nd number: 60/63
45/7 + 60/63 is 155/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
45/7 = 45 × 9/7 × 9 = 405/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
60/63 = 60 × 1/63 × 1 = 60/63 - Add the two like fractions:
405/63 + 60/63 = 405 + 60/63 = 465/63 - 465/63 simplified gives 155/21
- So, 45/7 + 60/63 = 155/21
In mixed form: 78/21
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