Add 90/63 and 70/60
1st number: 1 27/63, 2nd number: 1 10/60
90/63 + 70/60 is 109/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
90/63 = 90 × 20/63 × 20 = 1800/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
70/60 = 70 × 21/60 × 21 = 1470/1260 - Add the two like fractions:
1800/1260 + 1470/1260 = 1800 + 1470/1260 = 3270/1260 - 3270/1260 simplified gives 109/42
- So, 90/63 + 70/60 = 109/42
In mixed form: 225/42
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