Add 6/60 and 72/63
1st number: 6/60, 2nd number: 1 9/63
6/60 + 72/63 is 87/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
6/60 = 6 × 21/60 × 21 = 126/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
72/63 = 72 × 20/63 × 20 = 1440/1260 - Add the two like fractions:
126/1260 + 1440/1260 = 126 + 1440/1260 = 1566/1260 - 1566/1260 simplified gives 87/70
- So, 6/60 + 72/63 = 87/70
In mixed form: 117/70
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