Add 45/63 and 60/40
1st number: 45/63, 2nd number: 1 20/40
45/63 + 60/40 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
45/63 = 45 × 40/63 × 40 = 1800/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
60/40 = 60 × 63/40 × 63 = 3780/2520 - Add the two like fractions:
1800/2520 + 3780/2520 = 1800 + 3780/2520 = 5580/2520 - 5580/2520 simplified gives 31/14
- So, 45/63 + 60/40 = 31/14
In mixed form: 23/14
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