Add 81/25 and 70/63
1st number: 3 6/25, 2nd number: 1 7/63
81/25 + 70/63 is 979/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
81/25 = 81 × 63/25 × 63 = 5103/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
70/63 = 70 × 25/63 × 25 = 1750/1575 - Add the two like fractions:
5103/1575 + 1750/1575 = 5103 + 1750/1575 = 6853/1575 - 6853/1575 simplified gives 979/225
- So, 81/25 + 70/63 = 979/225
In mixed form: 479/225
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