Add 48/60 and 25/21
1st number: 48/60, 2nd number: 1 4/21
48/60 + 25/21 is 209/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
48/60 = 48 × 7/60 × 7 = 336/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
25/21 = 25 × 20/21 × 20 = 500/420 - Add the two like fractions:
336/420 + 500/420 = 336 + 500/420 = 836/420 - 836/420 simplified gives 209/105
- So, 48/60 + 25/21 = 209/105
In mixed form: 1104/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/60+25/21 48/60+50/21 48/60+25/42 48/60+75/21 48/60+25/63