Add 7/60 and 90/63
1st number: 7/60, 2nd number: 1 27/63
7/60 + 90/63 is 649/420.
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,
7/60 = 7 × 21/60 × 21 = 147/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
90/63 = 90 × 20/63 × 20 = 1800/1260 - Add the two like fractions:
147/1260 + 1800/1260 = 147 + 1800/1260 = 1947/1260 - 1947/1260 simplified gives 649/420
- So, 7/60 + 90/63 = 649/420
In mixed form: 1229/420
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