Add 48/42 and 7/90
1st number: 1 6/42, 2nd number: 7/90
48/42 + 7/90 is 769/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
48/42 = 48 × 15/42 × 15 = 720/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
7/90 = 7 × 7/90 × 7 = 49/630 - Add the two like fractions:
720/630 + 49/630 = 720 + 49/630 = 769/630 - So, 48/42 + 7/90 = 769/630
In mixed form: 1139/630
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