Add 42/30 and 54/48
1st number: 1 12/30, 2nd number: 1 6/48
42/30 + 54/48 is 101/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
54/48 = 54 × 5/48 × 5 = 270/240 - Add the two like fractions:
336/240 + 270/240 = 336 + 270/240 = 606/240 - 606/240 simplified gives 101/40
- So, 42/30 + 54/48 = 101/40
In mixed form: 221/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+54/48 42/60+54/48 42/30+54/96 42/90+54/48